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Littérature scientifique sur le sujet « Hypochlorites »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 18 février 2022

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Articles de revues sur le sujet "Hypochlorites"

Kiselev, Yu M., L. S. Skogareva et L. N. Kholodkovskaya. « ChemInform Abstract : Structures of Hypochlorites : Lithium Hypochlorite Monohydrate. » ChemInform 30, n^o 45 (12 juin 2010) : no. http://dx.doi.org/10.1002/chin.199945009.

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Rutala, W. A., et D. J. Weber. « Uses of inorganic hypochlorite (bleach) in health-care facilities. » Clinical Microbiology Reviews 10, n^o 4 (octobre 1997) : 597–610. http://dx.doi.org/10.1128/cmr.10.4.597.

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Hypochlorite has been used as a disinfectant for more than 100 years. It has many of the properties of an ideal disinfectant, including a broad antimicrobial activity, rapid bactericidal action, reasonable persistence in treated potable water, ease of use, solubility in water, relative stability, relative nontoxicity at use concentrations, no poisonous residuals, no color, no staining, and low cost. The active species is undissociated hypochlorous acid (HOCl). Hypochlorites are lethal to most microbes, although viruses and vegetative bacteria are more susceptible than endospore-forming bacteria, fungi, and protozoa. Activity is reduced by the presence of heavy metal ions, a biofilm, organic material, low temperature, low pH, or UV radiation. Clinical uses in health-care facilities include hyperchlorination of potable water to prevent Legionella colonization, chlorination of water distribution systems used in hemodialysis centers, cleaning of environmental surfaces, disinfection of laundry, local use to decontaminate blood spills, disinfection of equipment, decontamination of medical waste prior to disposal, and dental therapy. Despite the increasing availability of other disinfectants, hypochlorites continue to find wide use in hospitals.

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Moore, D. « Hypochlorites : a review of the evidence ». Journal of Wound Care 1, n^o 4 (2 novembre 1992) : 44–53. http://dx.doi.org/10.12968/jowc.1992.1.4.44.

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Skarzewski, Jacek, et Renata Siedlecka. « SYNTHETIC OXIDATIONS WITH HYPOCHLORITES. A REVIEW ». Organic Preparations and Procedures International 24, n^o 6 (décembre 1992) : 623–47. http://dx.doi.org/10.1080/00304949209356237.

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Nissen, Jan H., Lucas Wickemeyer, Tony Stüker, Simon Steinhauer, Helmut Beckers et Sebastian Riedel. « From hypochlorites to perfluorinated dialkyl peroxides ». Journal of Fluorine Chemistry 230 (février 2020) : 109416. http://dx.doi.org/10.1016/j.jfluchem.2019.109416.

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Dzikowska, Mirosława, Katarzyna Wojtas et Maria Kózka. « Hypochlorites in the treatment of chronic wounds ». Rany 2020, n^o 1 (20 février 2020) : 17–21. http://dx.doi.org/10.31350/rany/2020/1/r2019004.

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Dzikowska, Mirosława, Katarzyna Wojtas et Maria Kózka. « Hypochlorites in the treatment of chronic wounds ». Zakażenia XXI wieku 2018, n^o 6 (28 décembre 2018) : 303–7. http://dx.doi.org/10.31350/zakazenia/2018/6/z2018052.

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Wen, Xiaoye, Li Yan et Zhefeng Fan. « One-step construction of a novel AIE probe based on diaminomaleonitrile and its application in double-detection of hypochlorites and formaldehyde gas ». New Journal of Chemistry 45, n^o 18 (2021) : 8155–65. http://dx.doi.org/10.1039/d1nj00932j.

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Dunsmore, David G., Debbie Makin et Richard Arkins. « Effect of residues of five disinfectants in milk on acid production by strains of lactic starters used for Cheddar cheesemaking and on organoleptic properties of the cheese ». Journal of Dairy Research 52, n^o 2 (mai 1985) : 287–97. http://dx.doi.org/10.1017/s002202990002416x.

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SUMMARYThe inhibitory effect of five disinfectants on acid production byStreptococcus lactisandStr. cremorisCheddar cheese starters was compared using two techniques, a laboratory scale fermentation tube test, and pilot scale cheese manufacture. Threshold inhibition concentrations (partial, total) of disinfectants (mg/1) on acid production observed in the fermentation tube were: peracetic acid/H2O2(0–5, > 600) iodophor (75–220, > 400), quaternary ammonium compound (QAC), (20–30, > 200), acidic anionic (60–120, 600–1200), and Na hypochlorite (400–1000, > 1000). Threshold inhibition concentrations (partial, total) observed in the cheese vat were (mg/I); peracetic acid/H2O2(0–5, 5–35), iodophor (15–30, 75–200), QAC (10–20, > 200), acidicanionic(30–120, > 600), and Na hypochlorite (35–400, > 400). Flavour threshold concentrations in the cheese at 4 weeks were (mg/l): peracetic acid/H2O25, iodophor 8, QAC 20, acidic anionic 12, and hypochlorite 50. It is concluded that problems in cheese manufacture are unlikely to occur with hypochlorites, iodophors, and acidic anionics, but that care should be taken when using QAC and peracetic acid as sanitizers. A correlation coefficient of 0918 was computed between the two methods of determining partial acid inhibition (P< 0·005).

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Doebley, Carl E., Seymour Z. Lewin et Sherman Aronson. « Detergent and Hypochlorites for the Cleaning of Travertine ». APT Bulletin 23, n^o 2 (1991) : 54. http://dx.doi.org/10.2307/1504385.

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Thèses sur le sujet "Hypochlorites"

Garlapalli, Ravinder Kumar. « Leaching of chalcopyrite with sodium hypochlorite ». Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/11213.

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Thesis (M.S.)--West Virginia University, 2010.
Title from document title page. Document formatted into pages; contains vii, 47 p. : ill. Includes abstract. Includes bibliographical references (p. 46-47).

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Udeaja, Joseph Onuorah. « The chemistry of novel chromium(IV) systems and fluorinated hypochlorites ». PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3652.

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Chromium(IV) has been of interest for some time because of its role as an intermediate in chromic oxidation reactions. Since there are not a great number of stable tetravalent chromium complexes known, and the use of such species as oxidizing agents has not been widely explored, the preparation, isolation and characterization of new stable tetravalent chromium species may allow chemists the opportunity to more fully understand the role which tetravalent chromium plays in oxidation reactions. The present study thus involves the synthesis of Cr(OC4H9)4 and other Cr(IV) derivatives and the use of Cr(OC4H9)4 in oxidative reactions with selected fluoridated alcohols. Interestingly, the reaction of fluoridated alcohols with Cr(OC4H9)4 or Cr(NEt2)3 was found to be a useful method for preparing products.

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Sun, Zhenning. « Studies on fluorescent probes for the specific detection of reactive oxygen species and reactive nitrogen species in living cells ». View the Table of Contents & ; Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36845395.

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Sun, Zhenning, et 孫振宁. « Studies on fluorescent probes for the specific detection of reactive oxygen species and reactive nitrogen species in living cells ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38677490.

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Zoete, Vincent. « Design, synthèse et étude des propriétés antooxydantes de 4-mercaptoimidazoles dérivés des ovothiols ». Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-167.pdf.

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Une série de quatorze 4-mercaptoimidazoles, dérivés d'une famille d'antioxydants naturels appelés ovothiols, fut synthétisée par formation d'un cycle imidazole diversement substitué, à partir de molécules linéaires de type 2-(N-carbonyl-N-alkyl)thioacétamide ou 2-(N-carbonyl-N-aryl)thioacétamide. La cyclisation fut obtenue par réaction des fonctions amide et thioamide du précurseur en présence de trifluorométhanesulfonate de triméthylsilyle. Les 4-mercaptoimidazoles, notamment ceux substitués par des groupement électro-attracteurs en position 2 ou 5 du noyau imidazole, révélèrent dans un premier temps une forte capacité à piéger les radicaux que sont le 2,2-diphényl-1-picrylhydrazyle et le sel de Fremy. La suite de l'étude montra que ces mêmes molécules présentent aussi une forte réactivité vis-à-vis d'oxydants naturels dérivés de l'oxygène, comme le peroxyde d'hydrogène, le radical hydroxyle ou l'hypochlorite. Le mécanisme de piégeage des radicaux par les 4-mercaptoimidazoles fut étudié par modélisation moléculaire, voltammétrie cyclique, RPE et RMN. La production d'un disulfure via la formation d'un radical thiyle put être postulée. Les potentiels de demi-réactions d'oxydation et de réduction des 4-mercaptoimidazoles furent mesurés, et l'adduit DMPO-radical thiyle fut caractérisé par RPE. L'activité des molécules étudiées en tant qu'inhibiteurs de la peroxydation lipidique fut aussi testée. Il fut montré à cette occasion que les 4-mercaptoimidazoles sont capables d'inhiber l'oxydation des LDL par piégeage des radicaux mis en jeu, et par complexation du cuivre, Cu 2+, qui intervient dans le mécanisme de peroxydation lipidique. Enfin, l'activité glutathion peroxydase-like des composés fut évaluée. Ces différents tests démontrent donc l'activité antioxydante des 4-mercaptoimidazoles, activité pouvant être modulée par substitution du noyau imidazole.

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Ravereau-Delattre, Jennifer. « Étude du vieillissement en milieu chloré de membranes fibres creuses en poly(fluorure de vinylidène) utilisées dans le traitement de l'eau ». Thesis, Paris, ENSAM, 2015. http://www.theses.fr/2015ENAM0009/document.

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Les processus de lavage, et plus particulièrement l'utilisation de solutions chlorées, peuvent engendrer une dégradation prématurée des membranes de filtration d'eau. Alors que le marché des technologies membranaires en PVDF est en pleine expansion, peu de travaux portent sur l'étude de leur dégradation sur le long terme. Dans ce contexte, la thèse a porté sur l'étude du vieillissement de membranes de filtration commercialisées en PVDF. Les échantillons sont immergés dans une solution d'hypochlorite de sodium et l'effet du pH sur leur dégradation est approfondi. Les propriétés mécaniques, d'hydrophilie, les performances hydrauliques ainsi que la porosité sont étudiées. L'évolution des propriétés est mise en relation avec la structure chimique étudiée à différentes échelles : moléculaire, macromoléculaire et supramoléculaire. Cette approche n'a à ce jour jamais été utilisée dans le cas des membranes fibres creuses en PVDF. Les analyses en chromatographie d'exclusion stérique révèlent les modifications les plus importantes. La dégradation du PVDF des membranes se traduit par un phénomène prédominant de coupures de la chaîne principale du PVDF accompagné, dans une moindre mesure, d'un phénomène de réticulation. Les principales modifications sont constatées à des pHs inférieurs à 10 révélant la possible action conjointe des radicaux OH•, ClO• et Cl•. Le vieillissement d'une membrane PVDF additivée montre à la fois une dégradation du PVDF et une élimination des additifs. Alors que la membrane sans additif conserve une stabilité de ses propriétés, l'élimination des additifs entraine une évolution de la porosité et une propension au colmatage plus importante. Cependant, les membranes PVDF conservent des propriétés d'utilisation acceptables au regard des conditions extrêmes de vieillissement étudiées
The cleaning processes, especially the use of chlorine solutions, may cause the untimely degradation of the water filtration membranes. While the market for PVDF membrane-based treatment technologies is rapidly expending, only few works deal with the study of their ageing on a long-term basis. In this context, this project focuses on the study of the ageing of two PVDF filtration membranes. Samples are immersed in a sodium hypochlorite solution and the effect of the chlorine solution pH is investigated. The properties of the membranes are characterized throughout the study by tensile tests, hydrophilicity, hydraulic performances and porosity analysis. The evolution of properties is related to the chemical structure of the membranes at a molecular, a macromolecular and a supramolecular scale. Until now, this approach has never been used in the case of PVDF membranes under chlorine conditions. The size exclusion chromatography analyses revealed the most important modifications. The degradation occurs mainly by chain scissions of the PVDF and crosslinking phenomenon in lesser extent. The main modifications occurred at pH less than 10 proving the joint action of OH•, ClO• and Cl• radicals. The ageing of the PVDF membrane containing additives showed at the same time the PVDF degradation and the elimination of the additives. Whereas the properties of the additive-free PVDF membrane were preserved, the elimination of additives led to a modification of the porosity and an increased fouling. However, even if the PVDF degradation is proved, the using properties of the PVDF membranes remain acceptable taking into consideration extreme conditions of ageing studied

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Gorchkov, Dmitri. « Optimisation des performances de quelques micro-biocapteurs de type enfet : Utilisation de polymères pour la réalisation de membranes sensibles et additionnelles : Application à la détection de l'urée, de la pénicilline et des anions hypochlorites ». Ecully, Ecole centrale de Lyon, 1996. http://www.theses.fr/1996ECDL0053.

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Ce travail concerne l'elaboration et l'etude du comportement de membranes polymeriques en vue de l'optimisation de micro-biocapteurs de type enfet (enzymatic field effect transistor) plus particulierement destines au domine du biomedical et de l'environnement. La premiere partie, etayee par une revue bibliographique, montre l'importance des divers elements constitutifs d'un biocapteur et souligne l'importance des methodes d'immobilisation de l'enzyme ainsi que le role joue par les membranes additionnelles. Ce dernier point est developpe dans le chapitre 2 ou l'influence de la charge electrique d'une telle membrane est precisee. L'etude est illustre par la detection de l'uree et de la penicilline. Dans le cas de l'uree, l'utilisation de membranes additionnelles, l'optimisation des conditions de stockage permet d'aboutir a un micro-biocapteur operationnel sur une duree de trois mois. Une derniere partie montre que la connaissance des mecanismes reactionnels se deroulant au sein de la membrane enzymatique, et en particulier ceux d'inhibition, permet la detection des especes hypochlorite

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Burgess, Laura Margaret. « Cytotoxicity of Hypochlorite-oxidised Proteins ». Thesis, University of Canterbury. Biological Sciences, 2012. http://hdl.handle.net/10092/7041.

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The role of cell death in atherosclerosis remains ill-defined, however, a growing body of evidence suggests that cell death stimulates atherogenesis through the induction of inflammation and enlargement of the necrotic core. Although there is solid evidence to suggest that lipid oxidation and toxicity are linked, indications that protein oxidation may play an important role in cytotoxicity are numerous. The abundance of dead cells in atherosclerotic plaques and their co-localization with HOCl-modified proteins provides an opening for the suggestion that the products of protein oxidation may be at the heart of oxLDL-induced cell death. Examination of the modification of LDL and albumin by HOCl, and the cytotoxicity of these oxidised molecules were the focus of this study, along with the elucidation of their cell death mechanisms toward U937 cells. Measurement of lipid peroxidation markers, TBARS and 7-ketocholesterol, showed no significant increase in HOCl-oxLDL compared to native levels although all α-tocopherol had been lost. In contrast there was a large loss of tyrosine, of which a small percentage went to dityrosine, indicating that the protein moiety of LDL was the main target of HOCl attack. Albumin became fragmented and smeared on SDS-PAGE gels with increasing HOCl/BSA molar ratios. In addition there was significant reduction in tyrosine levels and a small increase in dityrosine. Both HOCl-oxLDL and oxidised albumin (oxALB) caused concentration-dependent cell viability loss in U937 cells following a significant drop in intracellular GSH concentration, coinciding with a peak in oxidative stress. Removal of chloramines with methionine significantly reduced the toxicity of oxALB, but at higher concentrations this effect was reduced. This was in contrast to HOCl-oxLDL where the removal of chloramines had no effect on its toxicity. Morphological observations of cell swelling, cell membrane integrity loss and rupture, along with flow cytometry results indicate that U937 cells underwent necrosis, but only after intracellular GSH was lost. Intracellular GSH and cell viability loss were prevented by 200 μM extracellular 7,8-dihydroneopterin (78NP), indicating that 78NP scavenging of ROS generated in response to the oxidised proteins was sufficient to prevent cell death. This study demonstrates the cytotoxicity of HOCl-damaged LDL and albumin is likely due to a common oxidative product or structural motif which may be active within atherosclerotic plaques.

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Li, Wei. « Coal desulfurization with sodium hypochlorite ». Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3546.

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Thesis (M.S.)--West Virginia University, 2004.
Title from document title page. Document formatted into pages; contains vii, 32 p. : ill. Includes abstract. Includes bibliographical references (p. 32).

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Pellillo, Sonni. « Effects of sodium hypochlorite on enamel composition ». Thesis, NSUWorks, 2015. https://nsuworks.nova.edu/hpd_cdm_stuetd/66.

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The purpose of this study was to evaluate the effects of sodium hypochlorite on the organic and inorganic composition of enamel. Background: With the advent of enamel bonding for orthodontic appliances in the late 1970s, it has been shown that traditional phosphoric acid etching affects the inorganic portion of the enamel.1, 2 In an attempt to enhance the acid etching pattern and, furthermore, the bond strength, additional pretreatment techniques that target the organic components of the enamel biofilm have been proposed. One such method is the non-invasive enamel pretreatment with 5.25% sodium hypochlorite (NaOCl) prior to phosphoric acid etching.3, 4 It has been suggested that the mechanism by which sodium hypochlorite enhances the etching pattern is enamel deproteinization, in which organic elements, including the acquired film, are removed from the enamel surface.3, 5 This presumption is based on the multitude of endodontic literature supporting the use of NaOCl as an effective irrigant in root canal therapy6-13. In contrast to dentin and pulpal tissue, enamel is comprised of minimal organic matter.14, 15 As a result of this fact and the limited amount of experimentation of the effect of NaOCl on the enamel surface, the true mechanism by which sodium hypochlorite enhances the etching pattern of enamel is questionable.5, 16 The objective of this study was to determine the compositional effects of sodium hypochlorite on human enamel. Methods: Following IRB approval, 120 enamel sections from 22 extracted human premolar teeth were randomly divided into three experimental groups and one control group.17 The control group (E = enamel) received no treatment. The first experimental group (A = phosphoric acid) received a 15-second treatment with 37% phosphoric acid, rinsed with distilled water and air sprayed for 20 seconds, then dried with oil free compressed air. The second experimental group (H = sodium hypochlorite) received a treatment of 5.25% sodium hypochlorite for 60 seconds, washed with distilled water for 10 seconds, and dried. The third experimental group (HA = sodium hypochlorite + phosphoric acid) received a treatment of 5.25% sodium hypochlorite for 60 seconds, washed with distilled water for 10 seconds, dried, then receive the 15-second treatment with 37% phosphoric acid as in Group A.3 Following treatment preparations of the four groups, scanning electron microscopy (SEM)/energy-dispersive X-ray spectrometer (EDX) analysis was performed for all groups.18 For elemental concentration, a one-way ANOVA and Tukey’s post hoc statistical tests were applied.17, 19, 20 ANOVA and Tukey tests were performed at a significance level of p ≤ 0.05. Results: There were no significant effects of treatment on the enamel elements carbon (C), calcium (Ca) sodium (Na), oxygen (O), and phosphorous (P). There was a significant effect of treatment on the amount of chlorine (Cl) in enamel between groups acid (A) and hypochlorite + acid (HA) as well as between groups hypochlorite (H) and hypochlorite + acid (HA) (p = 0.004). The amount of variation of iodine (I) in the enamel composition between untreated enamel (E) and enamel treated with sodium hypochlorite + phosphoric acid (HA) was significant (p = 0.004). Additionally, there was a significant decrease in the quantity of antimony (Sb) found in the control group (E) versus the hypochlorite + acid (HA) experimental group (p = 0.002). Lastly, tin (Sn) was significantly reduced from the enamel surface (E) when treated with hypochlorite + acid (HA) (p = 0.008). Conclusions: The various treatments minimally affected the elemental concentrations of C, Ca, Na, O, and P. The amount of chlorine present in enamel significantly increased following treatment with sodium hypochlorite (H) alone and even more so following treatment with phosphoric acid and sodium hypochlorite (AH). In contrast, elements I, Sb, and Sn demonstrated a congruent reduction in concentration after treatment with hypochlorite and acid (HA). Although it has been hypothesized that sodium hypochlorite targets the organic pellicle present on the surface of enamel via a process known as deproteinization, the findings presented here suggest that pre-treatment with NaOCl impacts the inorganic components of enamel more so than the organic constituents. These quantitative findings corroborate the enhanced etching pattern that can be visualized under scanning electron microscopy in this as well as previous studies.

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Livres sur le sujet "Hypochlorites"

On-site generation of hypochlorite. Denver, CO : American Water Works Association, 2015.

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Canada. Environmental Protection Programs Directorate. Technical Services Branch. Sodium hypochlorite : Environmental and technical information for problem spills. Ottawa, Ont : Environment Canada, Environmental Protection Service, 1985.

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E. F. P. Ascenso Pires. Crevice corrosion of stainless steel in sodium hypochlorite andchloride solutions. Manchester : UMIST, 1994.

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Gilbert, Gordon. Minimizing chlorate ion formation in drinking water when hypochlorite ion is the chlorinating agent. Denver, CO : AWWA Research Foundation and American Water Works Association, 1995.

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San Francisco (Calif.). Board of Supervisors. Budget Analyst. Cost of chlorine versus sodium hypo-chlorite in sewage treatment. San Francisco, CA : Budget Analyst, 1994.

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United States International Trade Commission. Calcium hypochlorite from Japan : Determinations of the Commission in investigation no. 731-TA-189 (final) under the Tariff Act of 1930, together with the information obtained in the investigation. Washington, D.C : U.S. International Trade Commission, 1985.

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Workshop on Needle Exchange and Bleach Distribution Programs (1993 Baltimore, Md.). Proceedings : Workshop on Needle Exchange and Bleach Distribution Programs. Washington, DC : National Academy Press, 1994.

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Awwa Standard for Hypochlorites. Amer Water Works Assn, 1987.

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Reregistration eligibility decision : Lithium hypochlorite : list C, case 3084. [Washington, D.C.?] : Environmental Protection Agency, Office of Pesticide Programs, Special Review and Reregistration Division, 1993.

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The World Market for Hypochlorites, Commercial Calcium Hypochlorite, Chlorites, and Hypobromites : A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Chapitres de livres sur le sujet "Hypochlorites"

Gooch, Jan W. « Calcium Hypochlorite ». Dans Encyclopedic Dictionary of Polymers, 110. New York, NY : Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1826.

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Gooch, Jan W. « Sodium Hypochlorite ». Dans Encyclopedic Dictionary of Polymers, 674. New York, NY : Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_10832.

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Kampf, Günter. « Sodium Hypochlorite ». Dans Antiseptic Stewardship, 161–210. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98785-9_8.

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Haspel-Hentrich, Fritz, Jean'ne M. Shreeve, Jo Ann M. Canich et Gary L. Gard. « Trifluoromethyl Hypochlorite and Perfluoro-Tert -Butyl Hypochlorite (2,2,2-Trifluoro-1,1-Bis(Trifluoromethyl)Ethyl Hypochlorite) ». Dans Inorganic Syntheses, 58–62. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132555.ch18.

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Ponzano, Gian Piero. « Sodium Hypochlorite : History, Properties, Electrochemical Production ». Dans Contributions to Nephrology, 7–23. Basel : KARGER, 2006. http://dx.doi.org/10.1159/000096810.

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Matousek, Rudy. « Hypochlorite Synthesis Cells and Technology, Sea Water ». Dans Encyclopedia of Applied Electrochemistry, 1066–70. New York, NY : Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4419-6996-5_295.

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Bruch, Mary K. « Toxicity and Safety of Topical Sodium Hypochlorite ». Dans Contributions to Nephrology, 24–38. Basel : KARGER, 2006. http://dx.doi.org/10.1159/000096812.

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de Carvalho, Felipe A., Andrea Resende et Versiane A. Leão. « Gold Leaching by Sodium Chloride and Calcium Hypochlorite Solutions ». Dans The Minerals, Metals & ; Materials Series, 1787–96. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95022-8_148.

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Czarnetzki, L., et L. J. J. Janssen. « Oxidation of Chloride and Hypochlorite at Pt and RuO2 Anodes ». Dans Modern Chlor-Alkali Technology, 313–24. Dordrecht : Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1137-6_25.

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Abbott, Pej, M. Carlin, M. E. Fakley, F. E. Hancock et F. King. « ICI’ Hydecat’ Process for the Catalytic Destruction of Hypochlorite Effluent Streams ». Dans Modern Chlor-Alkali Technology, 23–34. Dordrecht : Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2880-3_3.

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Actes de conférences sur le sujet "Hypochlorites"

Matousek, Rudolf C., David W. Hill, Russell P. Herwig, Jeffery R. Cordell, Bryan C. Nielsen, Nissa C. Ferm, David J. Lawrence et Jake C. Perrins. « Electrolytic Sodium Hypochlorite System for Treatment of Ballast Water ». Dans SNAME Maritime Convention. SNAME, 2005. http://dx.doi.org/10.5957/smc-2005-p10.

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The potential problems of organisms introduced by ballast water are well documented. In other settings, electrolytic generation of sodium hypochlorite from seawater has proven to be a simple and safe method of handling and injecting a biocide into water. After the hypochlorite oxidizes organisms, it reverts back to the chloride ion. Mesocosm-scale testing of this technology combined with filtration, using organisms from Puget Sound, Washington demonstrated that hypochlorite generation and use may be a viable method to eliminate aquatic nuisance species from ballast water while minimizing disinfection byproducts and residual toxicity. These experiments were conducted at the U.S. Geological Survey Marine Field Station on Marrowstone Island, Washington. Results from the first set of studies of the system showed that hypochlorite levels greater than 3.0 ppm hypochlorite with or without filtration reduced bacteria by > 99.999%, reduced phytoplankton by > 99%, and reduced mesozooplankton by > 99%. Filtration only improved efficacy when hypochlorite concentration was initially less than 1.5 ppm.

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Letsou, P., M. Brooks et D. Bonnick. « Hypochlorite sensor based on Spectrophotometry ». Dans IET & ISA 60th International Instrumentation Symposium 2014. Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/cp.2014.0550.

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Akong, Kathryn, Ohn Chow, Stanley Hazen et Victor Nizet. « Neutrophil Extracellular Traps Require Hypochlorite Production Via Myeloperoxidase ». Dans American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California. American Thoracic Society, 2012. http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a1368.

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Xia, Nannan, et Guizhen Gong. « Oxidative Degradation of Wheat Stalk in Sodium Hypochlorite Solution ». Dans 2017 7th International Conference on Education, Management, Computer and Society (EMCS 2017). Paris, France : Atlantis Press, 2017. http://dx.doi.org/10.2991/emcs-17.2017.356.

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LePage, Will S., Kyle B. Hampton, Bradford H. Johnson, Kevin J. Mayer, John M. Henshaw et Gordon H. Purser. « Design and Development of a Portable Off-Grid Water Chlorination System ». Dans ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63838.

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The design and fabrication of a portable water chlorination system is described. The backbone of the system is a custom-designed, efficient, and easily operated chlorine electrolysis cell. The cell produces concentrated hypochlorous acid (HOCl), a form of chlorine that readily kills harmful pathogens in untreated water. The cell is fabricated from durable yet inexpensive materials and requires only two inputs: (1) 12 volts of direct current, which can be supplied with standard car batteries that are commonplace worldwide, and (2) 800 milliliters of 0.43 molar sodium chloride solution, which can be substituted with seawater. The system was first tested in the laboratory under controlled conditions. The cell was powered for 70 minutes and samples of the solution were taken in 10-minute intervals. The hypochlorite ion (OCl−) concentration was measured with a UV-visible light spectrophotometer. The results show that the cell produces enough hypochlorite in one hour to disinfect up to 1500 liters of clear surface water or 750 liters of turbid water. Successful laboratory test results led to field tests utilizing a solar photovoltaic power supply. Preliminary results of these tests are presented.

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Chen, W. B., X. L. Song, F. Z. Qin et Y. F. Sun. « Study on sodium hypochlorite disinfection of reclaimed water in China ». Dans The 2015 International Conference on Sustainable Development (ICSD2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814749916_0073.

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Choppin, G. R. « Oxidation of Pu(IV) and Pu(V) with sodium hypochlorite ». Dans Plutonium futures-The science (Topical conference on Plutonium and actinides). AIP, 2000. http://dx.doi.org/10.1063/1.1292269.

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Zhou, Li, Hai Lin, Kaibin Fu, Lulu Yu, Xiu Wang et Yuansi Tan. « Pretreatment of Refractory and Cyanide-Containing Pesticide Wastewater Using Sodium Hypochlorite ». Dans 2010 International Conference on E-Product E-Service and E-Entertainment (ICEEE 2010). IEEE, 2010. http://dx.doi.org/10.1109/iceee.2010.5660947.

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Xiao-feng Huang, Xiao-ni Wang, Ping Ning, Juan Tan, Ruo-peng Hu et Wen-qing Li. « Experimental study on the absorption of phosphine wastegas by sodium hypochlorite ». Dans 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5774219.

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Zhu Ming, Zhao Yan, Li Jia, Liu Yongsheng, Wang Shouwei et Shi Man. « Study of influence factors on sodium hypochlorite disinfection of reclaimed water ». Dans 2011 International Conference on Electric Technology and Civil Engineering (ICETCE). IEEE, 2011. http://dx.doi.org/10.1109/icetce.2011.5776392.

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Rapports d'organisations sur le sujet "Hypochlorites"

Udeaja, Joseph. The chemistry of novel chromium(IV) systems and fluorinated hypochlorites. Portland State University Library, janvier 2000. http://dx.doi.org/10.15760/etd.5536.

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Compere, A. L., et W. L. Griffith. Catalytic sodium hypochlorite degradation using a Kynar stabilized catalyst. Office of Scientific and Technical Information (OSTI), juin 1987. http://dx.doi.org/10.2172/6153103.

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Canich, Jo Ann. Derivatives of trifluorovinylsulfur pentafluoride and F-(tert-butyl) hypochlorite. Portland State University Library, janvier 2000. http://dx.doi.org/10.15760/etd.5252.

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Three contract workers die while repairing a sodium hypochlorite tank at a wastewater treatment plant - Virginia, September 25, 1992. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, mars 1993. http://dx.doi.org/10.26616/nioshface9308.

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