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ISO 10530:1992
Water quality -- Determination of dissolved sulfide -- Photometric method using methylene blue
SKU: iso_018599_108718
Published by ISO
Publication Year 1992
1 Edition
9 pages
Product 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.