ISO 9965:1993

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Water quality — Determination of selenium — Atomic absorption spectrometric method (hydride technique)

Published By	Publication Date	Number of Pages
ISO	1993-07	8

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Categories: 13.060.50 - Examination of water for chemical substances, ISO

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Description

Under the conditions of the method specified (thermal decomposition of selenium hydride for AAS), only Se(IV) is quantitatively converted to the hydride. To avoid errors in determination, other oxidation states need to be converted to Se(IV) prior to the determination. The absorbance is measured at a wavelength of 196,0 nm. The method determines selenium and organically bonded selenium in drinking waters, ground waters and surface waters, in a concentration range of 1 µg/l and 10 µg/l. Higher concentrations can be determined by a suitable dilution of the water sample.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1993-07
Pages Count	8
Language	English
Edition	1
File Size	378.9 KB
ICS Codes	13.060.50 - Examination of water for chemical substances

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ISO 9965:1993

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