In a process for redn. of the nitrate and/or nitrite content of water, where the water is treated electrolytically and catalytically, the electrolytic treatment occurs at such an electric potential which stops formation of mol. H2.JENSEN NIELS DUE...
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NITRATE, a common and serious contaminant of ground water, is removed at present either by physicochemical methods that do not degrade it, or via degradation by microorganisms, which is a slow process1. We report here a rapid and efficient process for nitrate removal which involves catalytic redu...
Synonyms:Nitrite in Water CAS: MF: MW:0 EINECS: Mol File:Mol File Browse by Nationality Suppliers>China suppliers United Kingdom (1)All (1) EnquiryRecommend You Select Member Companies Company Name:LGC Standards Tel:+44 (0)20 8943 8480 ...
The product, decyl nitrite, is retained in the alkanol phase [partition coefficient (C10H21OH:H2O) = 2.5 x 103] where it is resistant to hydrolysis because of the limited solubility of water in the alkanol phase. Under optimized conditions, 68% of the nitrite present in the original water...
A direct spectrophotometric method for the determination of nitrite in water has been developed. Nitrite reacts with p-nitroaniline in presence of hydrochloric acid to form diazonium cation which is subsequently coupled with phloroglucinol to form a stable orange azo dye, the absorbance of which is...
作者: National Research Council (US) Subcommittee on Nitrate and Nitrite in Drinking Water 摘要: The World Health Organization (WHO) guideline of 50 ppm and the US maximum contaminant level (MCL) of 45 ppm for nitrate in drinking water are established for the protection of infants from met...
content was also measured after the three kinds of water mentioned above were boiled,along with that at the standing time of 3 minutes,6 hours,24 hours,48 hours and 72 hours after boiling.The changes of nitrate and nitrite content in the three kinds of boiled drinking water samples at ...
The contents of the nitrite were 0.03 +/- 0.05 mg/100 g, 0.02 +/- 0.01 mg/100 g and 0.001 +/- 0.001 mg/100 g as NO2-, respectively. The content of nitrate is high in some vegetable juices, and warnings may be necessary for people who drink them frequently....
Based on the pilot scale experimental system operated under different conditions,the removal of nitrite nitrogen in slightly polluted source water by the biological contact oxidation process has been analyzed.The relation between nitrite nitrogen accumulation amount and ammonia nitrogen removal efficiency has...