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ISO 5310:1986

Fertilizers — Determination of potassium content — Titrimetric method

Dec 18, 1986
95.99 Withdrawal of Standard   Mar 6, 2007

General information

95.99     Mar 6, 2007

ISO

ISO/TC 134

International Standard

65.080  

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Scope

The method consists in precipitating of potassium ions by an excess of sodium tetraphenylborate (NaTPB) in a weakly alkaline medium, filtrating and determing of the unused NaTPB by back titration with cetyltrimethylammoniumbromide solution. The test solution shall be prepared as specified in ISO 5317 or ISO 7407.

Life cycle

NOW

WITHDRAWN
ISO 5310:1986
95.99 Withdrawal of Standard
Mar 6, 2007

National adoptions

SSH ISO 5310:2002  
DPS

Fertilizers — Determination of potassium content — Titrimetric method

60.60 Standard published

DPS/KT 190 more