SIS-CEN/TS-16318 › Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
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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 1mg/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.
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65.080 (Fertilizers Including soil conditioners and culture medium)
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Designation Name
SIS-CEN/TS 16318:2012
Revision Level
2012 EDITION
Status
Superseded
Publication Date
May 15, 2012
Language(s)
English
Page Count
28
International Equivalent
CEN/TS 16318:2012(IDT)