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ISO 11262:2003

Soil quality — Determination of cyanide

95.99 Withdrawal of Standard   Nov 9, 2011

General information

95.99     Nov 9, 2011

ISO

ISO/TC 190/SC 3

International Standard

13.080.10  

Scope

ISO 11262:2003 is applicable to as-received soil samples, and specifies two quantification methods for the determination of easily released and complex cyanides. It is not always necessary to determine easily released cyanide prior to the measurement of complex cyanide. In this instance, the first part of the distillation process is omitted so that only the total cyanide is determined. The methods are applicable to soil containing between 0,5 mg/kg and 10 000 mg/kg of total cyanide. The methods and corresponding ranges of cyanide in the aliquot taken from the relevant absorption solution are a photometric method, applicable for cyanide contents of 0,5 mg/kg to 50 mg/kg in the original field-moist sample, and a titrimetric method using an indicator, applicable for cyanide contents of above 50 mg/kg in the original field-moist sample.

Life cycle

NOW

WITHDRAWN
ISO 11262:2003
95.99 Withdrawal of Standard
Nov 9, 2011

REVISED BY

PUBLISHED
ISO 11262:2011

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