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“ISO 9964:1993 Water quality – Determination of sodium and potassium – Part 3: Determination of sodium and potassium by flame emission spectrometry” has been added to your cart. View cart
ISO 10530:1992
ISO 10530:1992 Water quality – Determination of dissolved sulfide – Photometric method using methylene blue
CDN $115.00
Description
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.
Edition
1
Published Date
1992-09-09
Status
PUBLISHED
Pages
9
Language
English
Format
Secure PDF
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Abstract
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.
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