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Journal articles on the topic 'Water pH'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Hikmat, B. "Acidic pH of water." British Dental Journal 194, no. 11 (2003): 585. http://dx.doi.org/10.1038/sj.bdj.4810238.

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Nguyen, Bach T., Wenkai Wang, Brian R. Saunders, Lazhar Benyahia, and Taco Nicolai. "pH-Responsive Water-in-Water Pickering Emulsions." Langmuir 31, no. 12 (2015): 3605–11. http://dx.doi.org/10.1021/la5049024.

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3

Freedman, Arthur J. "Water Treatment Basics: Water Chemistry Revisited: pH." Materials Performance 44, no. 12 (2005): 44. https://doi.org/10.5006/mp2005_44_12-44.

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This article is first in a series on Water Treatment Basics written by water treatment expert Arthur J. Freedman. This issue's installment defines pH and discusses how it is measured and why. Future topics will include alkalinity, solubility, scaling, and other related subjects.

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4

Altland, J. "Irrigation water alkalinity, not pH, affects substrate pH©." Acta Horticulturae, no. 1212 (September 2018): 189–90. http://dx.doi.org/10.17660/actahortic.2018.1212.38.

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5

Wett, B., R. Rostek, W. Rauch, and K. Ingerle. "pH-controlled reject-water-treatment." Water Science and Technology 37, no. 12 (1998): 165–72. http://dx.doi.org/10.2166/wst.1998.0532.

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Dewatering of digested sludge causes significant internal nitrogen loading to a wastewater treatment plant. Due to the high concentration of nitrogen it is more effective to treat the reject-water not directly in the main purification process but to apply a separate biological treatment procedure. The intermittent operation of sludge-press facilities, the high initial pH-value of reject-water and the quick loss of alkalinity during nitrification makes a reliable control of the process necessary. A sequencing batch reactor (SBR) with an operational control based on on-line measurement of the pH

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Emond, Matthieu, Jing Sun, Jean Grégoire, Sylvie Maurin, Christophe Tribet, and Ludovic Jullien. "Photoinduced pH drops in water." Physical Chemistry Chemical Physics 13, no. 14 (2011): 6493. http://dx.doi.org/10.1039/c0cp02464c.

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7

Crans, Debbie C., and Nancy E. Levinger. "The Conundrum of pH in Water Nanodroplets: Sensing pH in Reverse Micelle Water Pools." Accounts of Chemical Research 45, no. 10 (2012): 1637–45. http://dx.doi.org/10.1021/ar200269g.

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8

Vilagines, Ph, B. Sarrette, G. Husson, and R. Vilagines. "Concentration à Ph neutre des virus hydriques dans des eaux de surface : étude quantitative et qualitative." Journal français d’hydrologie 20, no. 2 (1989): 193–201. http://dx.doi.org/10.1051/water/19892002193.

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9

Pratama, I. Putu Yoga pramesia, Kadek Suar Wibawa, and I. Made Agus Dwi Suarjaya. "Perancangan PH Meter Dengan Sensor PH Air Berbasis Arduino." JITTER : Jurnal Ilmiah Teknologi dan Komputer 3, no. 2 (2022): 1034. http://dx.doi.org/10.24843/jtrti.2022.v03.i02.p02.

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Kebutuhan akan air bersih sekarang ini semakin tinggi dengan lingkungan di era globalisasi yang sangat tinggi akan nilai pencemaran airnya. Salah satu hal yang patut diperhatikan dalam mengetahui tingkat kebersihan air adalah dengan mengukur kadar PH air tersebut, apakah tergolong ke dalam larutan asam, netral atau basa. Proses pengukuran kadar PH air tersebut dapat dilakukan dengan menggunakan sensor PH air yang merupakan sensor yang dapat mengecek tingkat keasaaman suatu larutan, sensor PH air dihubungkan dengan mikrokontroler Arduino mega sebagai pengolah data. Cara kerja dari sensor PH air

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Vikulin, Pavel Dmitrievich, and Vera Borisovna Vikulina. "EFFECT OF ULTRASOUND ON PH CHANGE IN WATER." Water and Ecology 24, no. 4 (2019): 3–8. http://dx.doi.org/10.23968/2305-3488.2019.24.4.3-8.

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11

Hariyadi, Hariyadi, Mahyessie Kamil, and Putri Ananda. "SISTEM PENGECEKAN PH AIR OTOMATIS MENGGUNAKAN SENSOR PH PROBE BERBASIS ARDUINO PADA SUMUR BOR." Rang Teknik Journal 3, no. 2 (2020): 340–46. http://dx.doi.org/10.31869/rtj.v3i2.1930.

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One of water quality parameters is the degree of water. For most of people, water quality is considered important because it is not only about aesthetic. A good water for consumption to governmentissued regulation through Indonesian Minister of Health is has a pH 6.5 - 8.5 value ( Regulation of Minister of Healty No 907, 2002, about Term and Supervision of Water Quality Drinking, and Regulation of Minister of Healty No 416, 1990 about Term and Supervision of Water Quality). Although most of people in Bukittinggi still do not know whether the water from drill water used is worth consuming or no

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12

Amor, Hamza, Anis Elaoud, and Mahmoud Hozayn. "Does Magnetic Field Change Water pH?" Asian Research Journal of Agriculture 8, no. 1 (2018): 1–7. http://dx.doi.org/10.9734/arja/2018/39196.

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13

Cheng, Li-Jing, and Hsueh-Chia Chang. "Microscale pH regulation by splitting water." Biomicrofluidics 5, no. 4 (2011): 046502. http://dx.doi.org/10.1063/1.3657928.

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14

Flack, Brandon, Corinne Bertoia, and Alan Stucky. "Investigating pH Swings at Denver Water." Opflow 50, no. 10 (2024): 24–27. http://dx.doi.org/10.1002/opfl.2035.

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15

Miao, Zhihui, Tomohiro Kubo, Digvijayee Pal, Brent S. Sumerlin, and Adam S. Veige. "pH-Responsive Water-Soluble Cyclic Polymer." Macromolecules 52, no. 16 (2019): 6260–65. http://dx.doi.org/10.1021/acs.macromol.9b01307.

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16

Dickson, Andrew G. "The measurement of sea water pH." Marine Chemistry 44, no. 2-4 (1993): 131–42. http://dx.doi.org/10.1016/0304-4203(93)90198-w.

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17

Colussi, Agustín J. "Can the pH at the air/water interface be different from the pH of bulk water?" Proceedings of the National Academy of Sciences 115, no. 34 (2018): E7887. http://dx.doi.org/10.1073/pnas.1811632115.

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18

Abdullah, Deden Disa, Arham Aminush Shidqi, Dedy Sukma Ramadhandi, et al. "pH Monitoring Online." Journal of Environmental and Agricultural Studies 4, no. 2 (2023): 08–11. http://dx.doi.org/10.32996/jeas.2023.4.2.2.

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As the largest coal exporting country in the world, Indonesia needs efforts to prevent various negative things for coal mining activities to maintain the balance of the surrounding nature. One of the many affected by mining activities is water. The wastewater quality must be checked regularly before it flows into water bodies. This research aims to describe the company's program created by the Safety Health & Environment (SHE) department and Center of Excellence (CEO) Department to monitor wastewater generated from mining activities for 24 hours. This research uses a descriptive method wit

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19

Corso, Maxwell L., Jason C. Woodworth, Mike D. Tokach, Jordan T. Gebhardt, Joel M. DeRouchey, and Robert D. Goodband. "148 Evaluating water characteristics and their effects on reducing water pH using citric acid." Journal of Animal Science 102, Supplement_2 (2024): 121. http://dx.doi.org/10.1093/jas/skae102.135.

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Abstract The goal of this experiment was to identify water characteristics that affect the ability to reduce pH when using water acidifiers. A total of 27 water samples from swine operations across the Midwest were collected and pH, Ca, and Mg were analyzed. Total hardness was calculated as the combined values of Ca and Mg and expressed in mg of CaCO3/L. Hardness values ranged from 142 mg CaCO3/L to 644 mg CaCO3/L, with an average hardness of 375 mg CaCO3/L. Initial sample pH ranged from 7.52 to 8.47 with an average value of 8.05. In triplicates, 10 mL of water from each source was titrated wi

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Verma, Priyanka, and Khushboo Thapliyal. "Diatom Analysis in Thermophilic water bodies: A Study on Hot Water Springs of Madhya Pradesh." Indian Journal of Forensic Medicine and Pathology 16, no. 2 (2023): 133–43. http://dx.doi.org/10.21088/ijfmp.0974.3383.16223.6.

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INTORDUCTION: This study was done with the objective to study the presence of various species of diatoms present in the thermophilic water bodies of Madhya Pradesh (Anhoni and ChavalPani). And to determine the correlation of physiological variables such as temperature and pH to the diatom density. METHODOLOGY: For the detection of diatom species in the water samples acid digestion method was used.50 ml of sample was taken and 10 ml of concentrated nitric acid (HNO3) was added. The sample is then kept undisturbed for 24 hours. The sample was then centrifuged for 10 minutes at 3000rpm 3 times. T

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21

Arun, S. Babu, Rafi Aseel, S. Parvathy M, S. Vaishnavi, and Ravi Chinnu. "Sustainable Water Quantity Monitoring and pH analysis using IoT." Journal of Advance Research in Mobile Computing 6, no. 3 (2024): 16–22. https://doi.org/10.5281/zenodo.13133007.

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<em>The</em><em> </em><em>”Sustainable</em><em> </em><em>water</em><em> </em><em>quantity</em><em> </em><em>monitoring</em><em> </em><em>and pH analysis using IoT” project is designed to enhance water management and quality control in both urban and rural settings through the integration of advanced flow sensors and pH sensors. This system enables precise measurement of water usage within an entire multi-storeyed building, tracking the consumption of individual users if the building is used by or rented out to many families or persons, and alerting the users who exceeds set limits.

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22

Takanabe, Kazuhiro. "(Invited) High Productivity Electrocatalytic Water Splitting Using Diverse Water Sources." ECS Meeting Abstracts MA2023-02, no. 47 (2023): 2341. http://dx.doi.org/10.1149/ma2023-02472341mtgabs.

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Water electrolysis is a commercially established process. However, significant cost reductions are desired for the large scale applications anticipated in the future. Electrolysis is typically performed under extreme pH conditions due to the high reaction rate of the electrocatalyst and low solution resistance. On the other hand, energy conversion using electricity generated from renewable energy requires a water splitting electrocatalyst that is versatile, safe, and durable. Recent water splitting research has focused on the development of catalyst materials and elucidation of their efficient

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23

Zha, Yueming, Bin Cao, Lei Ni, and Yaoxiong Huang. "Effects of Boiling and Storage on Water Quality of Tap Water, Spring Water, and Bottled Water." Water 17, no. 9 (2025): 1330. https://doi.org/10.3390/w17091330.

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This study conducted a systematic and comparative investigation on how boiling and storage affect the water quality of tap water, spring water, and bottled water, focusing on the molecular cluster size, hardness, nitrite content, and pH value. The findings revealed that boiling reduces water hardness and the size of molecular clusters in both tap and spring water, with these effects lasting for several days. Boiling also decreases the nitrite content, but after one day of storage, the nitrite levels in the boiled water tend to rebound to higher levels than those in un-boiled water. However, bo

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24

Meiirkhanuly, Zhanibek, Jacek A. Koziel, Andrzej Białowiec, Chumki Banik, and Robert C. Brown. "The-Proof-of-Concept of Biochar Floating Cover Influence on Water pH." Water 11, no. 9 (2019): 1802. http://dx.doi.org/10.3390/w11091802.

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Studies have shown that biochar has the potential to remove organic and inorganic contaminants from wastewater. pH is known to have a crucial role in the transformation of pollutants. In this research, we explore the feasibility of using biochars properties to control the pH near the water–air interface, so the gaseous emissions from water (or wastewater) could be mitigated. This study aimed to test the effects of a thin layer biochar addition on the spatial and temporal variation of water pH. Two types of biochar and water were tested. Highly alkaline porous (HAP; pH 9.2) biochars made of cor

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25

Kügel, B., and R. H. Peterson. "Perivitelline Fluid pH of Rainbow Trout (Oncorhynchus mykiss) Eggs in Relation to Ambient pH." Canadian Journal of Fisheries and Aquatic Sciences 46, no. 12 (1989): 2070–73. http://dx.doi.org/10.1139/f89-256.

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In soft water of various pH levels, the perivitelline fluid of late eyed rainbow trout (Oncorhynchus mykiss) eggs showed significant pH buffering: final perivitelline pH was higher than ambient by 0.7–0.85 pH unit in acidified water but was lower by 0.3–1.0 pH unit in weak acidified or basic water. No significant difference between the pH of an external buffer solution and that of the perivitelline fluid could be observed after 24 h. Most rapid perivitelline pH change occurred in the first 2 h and in the first 10–20 min, when eggs were transferred from acidified to weak acid or basic water and

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26

A. M. Mohammed, Sawsan, and Haider Abbas Shanshool. "Phosphorus Removal from Water and Waste Water by Chemical Precipitation Using Alum and Calcium Chloride." Iraqi Journal of Chemical and Petroleum Engineering 10, no. 2 (2009): 47–52. http://dx.doi.org/10.31699/ijcpe.2009.2.7.

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Phosphorus is usually the limiting nutrient for eutrophication in inland receiving waters; therefore, phosphorus concentrations must be controlled. In the present study, a series of jar test was conducted to evaluate the optimum pH, dosage and performance parameters for coagulants alum and calcium chloride. Phosphorus removal by alum was found to be highly pH dependent with an optimum pH of 5.7-6. At this pH an alum dosage of 80 mg/l removed 83 % of the total phosphorus. Better removal was achieved when the solution was buffered at pH = 6. Phosphorus removal was not affected by varying the slo

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27

Saalidong, Benjamin M., Simon Appah Aram, Samuel Otu, and Patrick Osei Lartey. "Examining the dynamics of the relationship between water pH and other water quality parameters in ground and surface water systems." PLOS ONE 17, no. 1 (2022): e0262117. http://dx.doi.org/10.1371/journal.pone.0262117.

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This study evaluated the relationship between water pH and the physicochemical properties of water while controlling for the influence of heavy metals and bacteriological factors using a nested logistic regression model. The study further sought to assess how these relationships are compared across confined water systems (ground water) and open water systems (surface water). Samples were collected from 100 groundwater and 132 surface water locations in the Tarkwa mining area. For the zero-order relationship in groundwater, EC, TDS, TSS, Ca, SO42-, total alkalinity, Zn, Mn, Cu, faecal and total

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28

Mustafa, Hauwa Mohammed, and Gasim Hayder. "Evaluation of water lettuce, giant salvinia and water hyacinth systems in phytoremediation of domestic wastewater." H2Open Journal 4, no. 1 (2021): 167–81. http://dx.doi.org/10.2166/h2oj.2021.096.

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Abstract The objective of this research was to ascertain the best conditions for efficient applications of water lettuce, giant salvinia and water hyacinth in improving the quality of low strength domestic wastewater. Water quality assessment of the wastewater samples before (influent) and after treatment (effluent) with effect to retention times (6, 12 and 24 h) was analysed. The outcome of the study at 6 h retention showed that water lettuce (6.8–7.0 pH, 50.5% colour, 46.7% biochemical oxygen demand (BOD) and 37.8% chemical oxygen demand (COD)), giant salvinia (6.9–7.1 pH, 40.5% colour, 60%

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29

Yaqin, Nurul, Ahmad Fawaid Zuhri, and Tholib Hariono. "Automatic Control of Hydroponic Plant Ph Levels Using Sensor Sku Sen 0161." NEWTON: Networking and Information Technology 1, no. 3 (2022): 125–31. http://dx.doi.org/10.32764/newton.v1i3.2094.

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The hydroponic method of growing has developed rapidly in recent years because it can save agricultural land. Hydroponic planting systems need to pay more attention to the pH content of the water because water is the main factor for the growth of hydroponic plants. So far, hydroponic owners still use manual methods to monitor Ph levels in the water, measuring PH levels using a PH meter and then giving a solution to lower or increase PH levels according to the measurement results. This activity must be done regularly to maintain plant fertility. This research develops a solution in the form of

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30

S., I. Samsudin, Salim S.I.M., Osman K., F. Sulaiman S., and I. A. Sabri M. "A Smart Monitoring of a Water Quality Detector System." Indonesian Journal of Electrical Engineering and Computer Science 10, no. 3 (2018): 951–58. https://doi.org/10.11591/ijeecs.v10.i3.pp951-958.

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The importance to monitor the water quality level is undeniable due to significant impact to human health and ecosystem. The project aims to develop a wireless water quality monitoring system that aids in continuous measurements of water conditions based on pH and turbidity measurements. These two sensors are connected to microprocessor and transmitted to the database by using a Wi-Fi module as a bridge. The developed system was successfully detect both the pH and turbidity values hence updating in IoT platform. Based on the results obtained, the test water sample can be classified to class II

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31

Teixeira, Liandra G., Stephany Rezende, Ângela Fernandes, et al. "Water-in-Oil-in-Water Double Emulsions as Protective Carriers for Sambucus nigra L. Coloring Systems." Molecules 27, no. 2 (2022): 552. http://dx.doi.org/10.3390/molecules27020552.

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The use of natural colorants is needed to overcome consumer concerns regarding synthetic food colorants′ safety. However, natural pigments have, in general, poor stability against environmental stresses such as temperature, ionic strength, moisture, light, and pH, among others. In this work, water-in-oil-in-water (W1/O/W2) emulsions were used as protective carriers to improve color stability of a hydrophilic Sambucus nigra L. extract against pH changes. The chemical system comprised water and corn oil as the aqueous and oil phases, respectively, and polyglycerol polyricinoleate (PGPR), Tween 8

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32

Hardanto, A., A. Mustofa, and Ardiansyah. "Rain Water Harvesting Technology: Drinking water fulfillment and water conservation nearby landfill area." IOP Conference Series: Earth and Environmental Science 1155, no. 1 (2023): 012011. http://dx.doi.org/10.1088/1755-1315/1155/1/012011.

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Abstract The drawback of groundwater quality occurs due to minimum treatment of waste management in the landfill. The research objectives are to know the groundwater quality around the landfill study site, rainwater potential for drinking water purposes, and decreasing runoff due to rainwater harvesting technology implementation. The well water samples were collected from eight wells surrounding the landfill. Rainwater samples were collected from rainwater harvesting technology installation. Water quality parameters consist of total coliform, pH, and Total Dissolved Solids (TDS). Water conserv

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33

Dewangan, Shailesh Kumar, Diksha Neha Toppo, and Anuranjan Kujur. "Investigating the Impact of pH Levels on Water Quality: An Experimental Approach." International Journal for Research in Applied Science and Engineering Technology 11, no. 9 (2023): 756–59. http://dx.doi.org/10.22214/ijraset.2023.55733.

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Abstract: Water quality is a critical aspect of environmental health and human well-being. pH, as a fundamental parameter, plays a significant role in determining the chemical characteristics of water. This experimental study aims to investigate the impact of pH levels on water quality. The research involved collecting water samples from various sources and subjecting them to controlled pH variations in a laboratory setting. Multiple parameters, including dissolved oxygen, nutrient availability, microbial activity, heavy metal contamination, algal blooms, turbidity, and ecological health, were

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Nam, Sangyep, and Yunjung Kwon. "Stabilization Performance Evaluation of Filter(pH) Using Ionic Water Generator." Journal of the Institute of Electronics and Information Engineers 52, no. 3 (2015): 199–205. http://dx.doi.org/10.5573/ieie.2015.52.3.199.

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35

Dewi, Astrie Kusuma, Gilbert Labatar, Chalidia Nurin Hamdani, and Asepta Surya Wardhana. "Fuzzy logic-PLC-based controller for water treatment simulator system." Jurnal Polimesin 22, no. 6 (2024): 625. https://doi.org/10.30811/jpl.v22i6.5606.

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The constant demand for clean water is critical for both consumption and daily activities. A water pH control system is essential for regulating and determining the concentration of acid and base values in water. Research projects often employ a Programmable Logic Controller (PLC) control system with various control methods. This serves as the backdrop for the design of a water treatment simulator, which utilizes a fuzzy logic control system. Fuzzy logic control is a reliable method that produces effective and accurate output values. Experiments conducted on the designed water treatment simula

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36

LIN, HONG, and D. J. RANDALL. "THE EFFECT OF VARYING WATER pH ON THE ACIDIFICATION OF EXPIRED WATER IN RAINBOW TROUT." Journal of Experimental Biology 149, no. 1 (1990): 149–60. http://dx.doi.org/10.1242/jeb.149.1.149.

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Acidification of expired water was studied in rainbow trout exposed to water of pH9.91, 6.80 (control) and 3.88. For the high-pH and the control exposures, the water flowing over the gills was acidified because of the dominant effect of CO2 hydration. During the low-pH treatment, the water was alkalized because of ammonium ion formation and perhaps bicarbonate dehydration. Carbon dioxide excretion was not significantly affected by the high-pH and low-pH treatments but ammonia accumulated in the plasma in both cases.

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37

Camberato, Diane M., James J. Camberato, and Roberto G. Lopez. "Determining the Effect of Carrier Water pH and Bicarbonate Concentration on Final pH of Plant Growth Regulator Solutions." HortScience 49, no. 9 (2014): 1176–82. http://dx.doi.org/10.21273/hortsci.49.9.1176.

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Chemical plant growth regulators (PGRs) are important tools in greenhouse ornamental crop production because growers must increasingly meet specifications for plant shipping and marketability. However, the role of water quality parameters such as pH or alkalinity (bicarbonate in this study) on final PGR solution pH is not well documented and could impact efficacy. We assessed the interaction of PGR type and concentration on the final spray solution pH when combined with carrier water of varying pH and bicarbonate concentration. Eleven PGRs commonly used in floriculture (ancymidol, benzyladenin

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38

Sujono Sujono and Arjuna Andriyanto Cahyo Nugroho. "Bangun Alat Filtrasi dan Sterilisasi Ultraviolet dengan Sistem Kontrol Otomatis Berbasis Arduino Uno." Jurnal Penelitian Rumpun Ilmu Teknik 4, no. 1 (2024): 27–32. https://doi.org/10.55606/juprit.v4i1.4620.

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The cultivation of fish very kualtas on water , the quality of water found in degrees pH or acidity that is on the water .A quality of water that can cause bad fish arwana stress and make dead fish .Check the quality of water still relies on human resources and is still done manually by using paper pH . From trouble the writers will make a monitoring the quality of water to determine the value of water accurately pH .It uses a PH probe to read voltage water will be converted into pH values .Module PH-4502c to convert voltage pH obtained from pH probe into pH values .The data pH to be seen to l

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39

Kurniawan, Kurnia Budi, and Diyah Fatmasari. "INFUSED WATER ANGGUR MERAH (Vitis Vinifera) MENINGKATKAN pH PLAK DAN pH SALIVA." Jurnal Riset Kesehatan 7, no. 1 (2018): 1. http://dx.doi.org/10.31983/jrk.v7i1.2956.

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40

Zheng, Zhaoliang, Xing Huang, and Dmitry Shchukin. "A cost-effective pH-sensitive release system for water source pH detection." Chem. Commun. 50, no. 90 (2014): 13936–39. http://dx.doi.org/10.1039/c4cc05597g.

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A facile and cost-effective strategy has been developed to form basic cobalt carbonate nanovalves at the orifice of mesoporous nanocontainers, which facilitate the pH sensitive release of functional cargo for up-scaling towards applications in water source pH detection.

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41

Wilkie, Michael P., Heather E. Simmons, and Chris M. Wood. "Physiological adaptations of rainbow trout to chronically elevated water pH (pH = 9.5)." Journal of Experimental Zoology 274, no. 1 (1996): 1–14. http://dx.doi.org/10.1002/(sici)1097-010x(19960101)274:1<1::aid-jez1>3.0.co;2-t.

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42

MARTELLI, Bianca Keller Lima, Diogo Milani de MELO, Gisele Alborghetti NAI, and José Luiz Santos PARIZI. "Influence of water pH in oral changes caused by cadmium poisoning: an experimental study in rats." Revista de Odontologia da UNESP 43, no. 3 (2014): 180–84. http://dx.doi.org/10.1590/rou.2014.034.

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Objective: This study aims to evaluate the effect of the pH of drinking water in the oral changes caused by cadmium poisoning. Material and method: Ninety male Wister rats were divided into the following six groups: A - 15 rats were given cadmium chloride solution (400 mg/L) in drinking water with a neutral pH (pH 7.0); B - 15 rats received cadmium chloride solution (400 mg/L) in drinking water with an acidic pH (pH 5.0); C - 15 rats were treated with a cadmium chloride solution (400 mg/L) in drinking water with a basic pH (pH 8.0); D - 15 rats received drinking water with an acidic pH (pH 5.0

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Asih, Hanny Sri, and Ananda Putra. "Kelarutan Zat Warna Organik dalam Gelasi Mikroemulsi Water In Oil dari Sistem Air, Surfaktan Nonionik (Brij 35) dan Pentanol." Jurnal Periodic Jurusan Kimia UNP 11, no. 1 (2022): 92. http://dx.doi.org/10.24036/p.v11i1.113408.

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Research on solubility from organic pigments of turmeric (Curcuma longa Linn) and telang flower (Clitoria ternatea L.) in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol has been studied. The purpose of this research was the preparation of water-in-oil microemulsion gelation, determines solubility, density, and bias index of organic pigments in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol. The method used is the sol-gel method. The solubility in water-in-oil microemulsion gelation of turmer

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Červenka, L., I. Zachová, P. Minříková, and J. Vytřasová. "Effect of pH and water activity on the growth of Arcobacter sp. in culture." Czech Journal of Food Sciences 21, No. 6 (2011): 203–9. http://dx.doi.org/10.17221/3499-cjfs.

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The effect was studied of pH value and water activity (aw) on the growth of Arcobacter butzleri and Arcobacter cryaerophilus in culture media at 30&deg;C. Various weak organic acids were used to achieve target pH, and different humectants were used to control aw. Generally, the growth of arcobacters was inhibited at medium pH. Compared to propionic, lactic, malic and ascorbic acids (pH 5.5&ndash;5.0), formic, citric and tartaric acids in the pH range of 6.0&ndash;5.5 were more inhibitory to both arcobacter species. Both arcobacter strains were extremely sensitive to broth environme

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Erna, Maria, Emriadi Emriadi, Admin Alif, Syukri Arief, and Mohd Jain Noordin. "Sintesis dan Aplikasi Karboksimetil Kitosan sebagai Inhibitor Korosi pada Baja Karbon dalam Air." Jurnal Natur Indonesia 12, no. 1 (2012): 87. http://dx.doi.org/10.31258/jnat.12.1.87-92.

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Carboxymethyl chitosan (CMC) was synthesized with different methods by reacting chitosan with monochloroaceticacid in the presence of sodium hydroxide under variation conditions. The above samples were characterized byFourier transform infrared spectroscopy (FTIR) and soluble in water in range of pH. The CMc were soluble in watera wide range of pH and applied as corrosion inhibitor for steel in water. The inhibiting influence of CMC was studiedby potentiodynamic polarization method. It was found thad corrosion rate was dependent on water pH and CMCconcentration. The results show that optimum t

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Bonfim, Daniel José Pimentel, Fernanda Maria Garcia, Cecília Braga Laposy, Rogério Giuffrida, Gisele Alborghetti Nai, and Hermann Bremer-Neto. "Influence of water pH in the hepato- and nephrotoxicity of chronic cadmium poisoning in Wistar rats." Research, Society and Development 10, no. 9 (2021): e12210917753. http://dx.doi.org/10.33448/rsd-v10i9.17753.

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Introduction: Cadmium is a heavy metal found in the environment that is used industrially; however, it also causes hepato- and nephrotoxic effects. Objective: To evaluate the effect of drinking water pH on the hepato- and nephrotoxicity caused by chronic cadmium poisoning. Material and Methods: We used 90 adult, male Wistar albino rats divided into 6 groups (n = 15): GC5 received a solution of cadmium chloride in drinking water with an acidic pH (pH 5.0); GC7 received a solution of cadmium chloride (400 mg/L) in drinking water with a neutral pH (pH 7.0 water); GC8 received a solution of cadmiu

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Burhan, Syamsul. "Effect of Gargling of Young Coconut Water on Saliva pH of Elementary School Children in Batua Village, Makassar City." Journal La Medihealtico 1, no. 1 (2020): 24–33. http://dx.doi.org/10.37899/journallamedihealtico.v1i1.17.

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Various ways have been done to reduce the risk of caries including by utilizing a variety of plants and plants one of which is young coconut water. This study aims to determine the effect of gargling young coconut water on saliva pH, knowing the pH of saliva before and after gargling young coconut water and to determine the effect of gargling old coconut water on salivary pH. This research method is Pretest and Post-test research design. This study aims to examine the pH of saliva before and after treatment. Retrieval of data is done by purposive sampling technique. The results showed that gar

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Noviardi, Hendi Matalata*, Arif Budiman, Sri Tria Siska, and Zulfadli Ridho. "Sistem Hidoponik Pintar : Penggunaan NodeMCU untuk pemantauan dan Kontrol pH Melalui ThingsSpeak." Jurnal Teknologi 17, no. 2 (2024): 148–53. https://doi.org/10.34151/jurtek.v17i2.4368.

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OThis study focuses on the development of a water pH control device for hydroponic systems, specifically in the measurement and regulation of water pH in hydroponics. The design of the water pH control device utilizes a NodeMCU module and the Thingspeak platform based on the Internet of Things (IoT). The purpose of this research is to design, develop, and implement a water pH control tool for hydroponic water spinach cultivation, capable of accurately monitoring and measuring water pH within the hydroponic system. The performance of the IoT-based water pH control device in this study aims to e

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Battaglia Jr., Michael A., Nicholas Balasus, Katherine Ball, et al. "Urban aerosol chemistry at a land–water transition site during summer – Part 2: Aerosol pH and liquid water content." Atmospheric Chemistry and Physics 21, no. 24 (2021): 18271–81. http://dx.doi.org/10.5194/acp-21-18271-2021.

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Abstract. Particle acidity (aerosol pH) is an important driver of atmospheric chemical processes and the resulting effects on human and environmental health. Understanding the factors that control aerosol pH is critical when enacting control strategies targeting specific outcomes. This study characterizes aerosol pH at a land–water transition site near Baltimore, MD, during summer 2018 as part of the second Ozone Water-Land Environmental Transition Study (OWLETS-2) field campaign. Inorganic fine-mode aerosol composition, gas-phase NH3 measurements, and all relevant meteorological parameters we

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Alawiyah, Fadlun, Shanty Chairani, and Danica Anastasia. "Gargling Effect of Zamzam Water on Salivary pH." Insisiva Dental Journal: Majalah Kedokteran Gigi Insisiva 10, no. 1 (2021): 7–11. http://dx.doi.org/10.18196/di.v10i1.10178.

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Caries is a multifactorial infection disease that happened during the decrease of salivary pH caused by acids from bacterial metabolism. Bicarbonate is an important buffer component in saliva that can help neutralize salivary pH. Zamzam water has high bicarbonate content. This study aimed to evaluate the effect of gargled with Zamzam water on salivary pH. This experimental research was done with pre-test and post-test control group design involving 40 dentistry students at the University of Sriwijaya aged 18-23 years old, with DMF-T score ≤3. Samples were divided into 2 groups, the Zamzam wate

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