Standard

ISO 6978:1992

Aug 1992 Withdrawn

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Abstract

Two methods are specified: method A for higher mercury content (> 0,5 µg/m^3) based on sampling at atmospheric pressure, absorption in potassium permangante solution, reduction of mercury ions, analysis by flameless atomic absorption spectrometry; method B for lower mercury content (10^- 3 µg/m^3 to 1 µg/m^3) based on sampling at atmospheric or higher pressure, adsorption on silver/gold, desorption, analysis by flameless atomic absorption spectrometry.

Document information

Standard from ISO
Published: 20 August 1992
Withdrawn: 24 October 2003
Expires: 18 July 1989
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 75.060
ISO TC ISO/TC 193/SC 1

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Revised by: ISO 6978-2:2003
Revised by: ISO 6978-1:2003
Revised by: ISO 6978-1:2003
Revised by: ISO 6978-2:2003
Referred by: NS-EN 1776:1998

ISO 6978:1992

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Abstract

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