Academic literature on the topic 'Disodium hydrogen orthophosphate'

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Journal articles on the topic "Disodium hydrogen orthophosphate"

1

John, N. J., P. Selvarajan, S. Benita Jeba Silviya, and C. K. Mahadevan. "Growth and Characterization of Disodium Hydrogen Orthophosphate (DSHP) Single Crystals." Materials and Manufacturing Processes 22, no. 3 (2007): 379–83. http://dx.doi.org/10.1080/10426910701190907.

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2

Singh, Man. "Study of apparent molal volume and viscosity of mutual citric acid and disodium hydrogen orthophosphate aqueous systems." Journal of Chemical Sciences 118, no. 3 (2006): 269–74. http://dx.doi.org/10.1007/bf02708287.

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3

Venugopal, S., U. M. Tripathi, and N. Devanna. "Validated Reverse Phase HPLC Method for the Determination of Impurities in Etoricoxib." E-Journal of Chemistry 8, s1 (2011): S119—S126. http://dx.doi.org/10.1155/2011/726385.

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This paper describes the development of reverse phase HPLC method for etoricoxib in the presence of impurities and degradation products generated from the forced degradation studies. The drug substance was subjected to stress conditions of hydrolysis, oxidation, photolysis and thermal degradation. The degradation of etoricoxib was observed under base and oxidation environment. The drug was found stable in other stress conditions studied. Successful separation of the drug from the process related impurities and degradation products were achieved on zorbax SB CN (250 x 4.6 mm) 5 μm particle size
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Sharma, Pushpendra, KLV Satyanarayana, and G. Sri Hari. "Cost Effective, Efficient and Stability indicating analytical method validation for Ranolazine related by Reverse Phase High Performance Liquid Chromatography in drug substances." Journal of Drug Delivery and Therapeutics 10, no. 6-s (2020): 45–54. http://dx.doi.org/10.22270/jddt.v10i6-s.4446.

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A simple, selective, linear, precise and accurate RP-HPLC method was developed and validated for rapid assay of Ranolazine in drug substances. Isocratic elution at a flow rate of 1.4ml/min was employed on Hypersil BDS C18, 150 x 4.6 mm, 5µm or Equivalent at 40°C column temperature. The mobile phase consisted of Mobile phase-A: Mobile phase-B (55:45) (Disodium hydrogen orthophosphate buffer with pH 7.0 and Acetonitrile). The UV detection wavelength was at 205 nm. Linearity was observed in concentration range of 0.07-0.82 ppm for ranolazine impurity-I and concentration range of 0.07-0.78 ppm for
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Onwuatuegwu, Onyinye D., Chukwuemeka P. Azubuike, Sinmisola Aloko, Modupe O. Ologunagba, and Cecilia I. Igwilo. "Characterization and Disintegrant Potential of Phosphorylated Tiger Nut (Cyperus esculentus) Starch in Immediate Release Ibuprofen Tablet Formulation." Dhaka University Journal of Pharmaceutical Sciences 18, no. 1 (2019): 21–29. http://dx.doi.org/10.3329/dujps.v18i1.41423.

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The study was aimed at evaluating the physicochemical properties of phosphorylated tiger nut starch (TNP) and its disintegrant properties in immediate release ibuprofen tablets. Native tiger nut starch (TNS) was modified by phosphorylation with disodium hydrogen orthophosphate at 130oC and its physicochemical properties were evaluated. Ibuprofen tablets were formulated with TNP and sodium starch glycolate (SSG) at concentrations of 5.0, 7.5, 10.0 and 15.0% as disintegrants. Phosphorylation of TNS led to improved flow properties and swelling and hydration capacities among other changes in the p
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Ahmad, Nazir, and Robert Slobodan Marolt. "One-Step Extraction and Cleanup Procedure for Determination of p,p'-DDT, p,p'-DDD, and p,p'-DDE in Fish." Journal of AOAC INTERNATIONAL 69, no. 4 (1986): 581–86. http://dx.doi.org/10.1093/jaoac/69.4.581.

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Abstract A simplified method that combines extraction, partitioning, and cleanup in a single step for measuring p,p'-DDT and its metabolites in fish is described. Minced fish samples are emulsified with disodium hydrogen orthophosphate and trisodium citrate, ground with sodium sulfate, and eluted from a chromatographic column prepacked with alumina and silicic acid. The fats and fatty acids are solubilized and easily extracted from the tissues and retained by the column, while p,p'-DDT and its metabolites are quantitatively eluted with 40 mL n-hexane. The eluate is directly applied to a gas ch
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Ding, Z., J. B. Rowe, I. R. Godwin, and Y. Xu. "The buffering capacity of caecal digesta exceeds that of rumen digesta from sheep fed pasture or roughage diets." Australian Journal of Agricultural Research 48, no. 5 (1997): 723. http://dx.doi.org/10.1071/a96151.

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The buffering capacities of caecal and rumen digesta of sheep on different diets were determined by titration with lactic, acetic, and hydrochloric acids, and certain factors affecting the buffering capacity of rumen digesta were studied. Both rumen and caecal digesta had maximal buffering capacity at pH 6·5–6·0. The buffering capacity of caecal digesta was nearly double (P < 0·001) that of rumen digesta. The rumen digesta from sheep fed oaten chaff had a buffering capacity 21% higher (P < 0·05) than that of sheep grazing green pasture. This was reduced (P < 0·05) by one-third followi
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8

Boumpa, Theodora, Alexandros Tsioulpas, Alistair S. Grandison, and Mike J. Lewis. "Effects of phosphates and citrates on sediment formation in UHT goats' milk." Journal of Dairy Research 75, no. 2 (2008): 160–66. http://dx.doi.org/10.1017/s0022029908003166.

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Sediment formation was investigated during UHT treatment of goats' milk, subjected to indirect treatment at 140°C for 2 s, with upstream homogenisation. Stabilisers evaluated were sodium hexametaphosphate (SHMP), trisodium citrate (TSC), disodium hydrogen orthophosphate (DSHP), and sodium dihydrogen orthophosphate (SDHP). With no added stabiliser, goats' milk produced a heavy sediment on UHT treatment. Addition of SDHP reduced pH, had little effect on ionic calcium and did not substantially reduce sediment. However, addition of SHMP, DSHP and TSC each reduced ionic calcium, increased ethanol s
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9

V., Manoj Kumar, Sangeetha D., Sanjeeva Y., and John Joseph J. "Estimation of hydrogen peroxide content in Ophthalmic formulation using ultraviolet-visible spectrophotometry." Journal of Indian Chemical Society Vol. 92, Apr 2015 (2015): 472–74. https://doi.org/10.5281/zenodo.5595684.

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School of Advanced Sciences, VIT University, Vellore-632 014, Tamilnadu, India <em>E-mail</em> : dsangeetha@vit.ac.in Analytical Research and Development, International Specialty Products Pvt. Ltd., Hyderabad-500 082, India The peroxide content in formulation products is crucial and needs to be monitored under various conditions since it may cause detrimental effect, especially when used in formulations containing drugs that are susceptible to oxidation. Moreover, determination of peroxide in such products is a prerequisite, listed both in the British as well as European Pharmacopoeia. The pur
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10

İlker, Alper, Evren Sarıyılmaz, and Fatih Çakici. "Does Adding Various Accelerators to Mineral Trioxide Aggregate Have a Negatively Effect on Push-Out Bond Strength?" Medical Principles and Practice 28, no. 1 (2018): 36–40. http://dx.doi.org/10.1159/000494057.

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Objective: This study compares the effect of the white mineral trioxide aggregate (WMTA) accelerators, including disodium hydrogen orthophosphate (Na2HPO4; 2.5 wt%), calcium chloride (CaCl2; 5 and 10 wt%), and KY jelly, on the push-out bond strength of WMTA. The null hypothesis was that the WMTA accelerators would not affect the push-out bond strength of WMTA. Materials and Methods: Slices (2-mm-thick) were obtained from 75 human mandibular molar distal roots. The slices were enlarged up to size 6 Gates-Glidden burs to obtain a 1.5-mm canal diameter. The slices were randomly divided into 4 exp
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