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ISO 10530:1992

Water quality — Determination of dissolved sulfide — Photometric method using methylene blue

Standard Details

The specified method is applicable to sulfide determination in a mass concentration range from 0,04 mg/l to 1,5 mg/l. The following ions do not interfere in specified mass concentrations: cyanide, iodide, thiosulfate, thiocyanate, sulfite. The principle is filtration, conservation of the sulfide in the filtrate, stripping of the sulfides, formation of leukomethylene blue, measurement of the absorbance of this complex at a wavelength of 665 nm. Annex A describes standardization of sulfide stock solution.

General Information

Status : Published
Standard Type: Main
Document No: ISO 10530:1992
Document Year: 1992
Pages: 9
Edition: 1
  • ICS:
  • 13.060.50 Examination of water for chemical substances

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ISO 10530:1992
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