Arsenic determination by the silver diethyldithiocarbamate method and the elimination of metal ion interferences: by Shingara S. Sandhu
Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, 1978 - Medical - 26 pages
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absorbance at 410 absorbance peak absorbance spectrum absorber tube amount of arsenic anion exchange resins antimony Antimony(III aqueous samples aqueous solutions arsenic concentration arsenic in water arsenic recovery decreases arsenic trioxide arsenic(III arsine arsine AsH3 cacodylic acid centration chloric acid chromium chromium(VI Co(II cobalt cobalt(II combined concentration concentration of arsenic copper copper(II corrected for reagent Cr(VI determination of arsenic dilute distillation mixture drinking water Edisto River hydro hydrochloric acid Hydroxylamine Hydroxylamine hydrochloride interfering ions ion concentration ion exchange IONIC INTERFERENCE l-H CM mercury metal ions mg L-l Mo(VI molybdenum(VI natural water samples Ni(II nickel(II nitrate Orangeburg organically bonded arsenic peak at 410 phosphate positive interference potassium permanganate procedure quantitatively Readings corrected reagent arsenic reagent blank recovery of arsenic reported sample volume SDDC complex SDDC method SDDC solution Silver Diethyldithiocarbamate Method sodium standard method standard solutions stannous chloride trichloride waste water water River water water samples containing
Page i - US Environmental Protection Agency, and approved for publication. Mention of trade names or commercial products does not constitute endorsement or recommendation for use.
Page ii - ... use. FOREWORD Environmental measurements are required to determine the quality of ambient waters and the character of waste effluents. The Environmental Monitoring and Support...
Page 25 - TECHNICAL REPORT DATA (Please read Instructions on the reverse before completing) 1. REPORT NO.
Page 25 - ... 17. KEY WORDS AND DOCUMENT ANALYSIS DESCRIPTORS b.lDENTIFIERS/OPEN ENDED TERMS c. COSATI Field/Group Microorganisms Bacteria Refuse Disposal Viruses Wastes Manure Compost Incineration Landfill Sampling 13B 13. DISTRIBUTION STATEMENT Release to Public 19. SECURITY CLASS (This Report) Unclassified 21.