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DS CEN/TS 16318:2012

Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

95.99 Withdrawal of Standard   May 13, 2015

General information

95.99     May 13, 2015

DPS

DPS/KT 47

Technical Specification

65.080  

Scope

This Technical Specification specifies two methods for the determination of the content of soluble chromate in fertilisers.
Method A specifies the determination of chromate after extraction with water by photometry. This method can be used to determine Cr(VI)-mass fractions in solids higher than 1 mg/kg.
Method B specifies the determination of chromate by alkaline digestion and ion chromatography with spectrophotometric detection. This method can be used to determine Cr(VI)-mass fractions in solids higher than 0,1 mg/kg.
NOTE In case of reducing or oxidising fertiliser matrix, no valid Cr(VI) content can be reported.

Life cycle

NOW

WITHDRAWN
DS CEN/TS 16318:2012
95.99 Withdrawal of Standard
May 13, 2015

REVISED BY

WITHDRAWN
SSH EN 16318:2013

Related project

Adopted from CEN/TS 16318:2012

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