ISO 5310:1986

Fertilizers — Determination of potassium content — Titrimetric method

Publication date: 18 dhj 1986

95.99 Withdrawal of Standard 6 mar 2007

General information

Current stage: 95.99 Effective date: 6 mar 2007

Originator: ISO

Owner: ISO/TC 134

Type: International Standard

ICS: 65.080

Gjuha: frëngjisht anglisht

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Statusi: Shfuqizuar

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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WITHDRAWN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
6 mar 2007

National adoptions

SSH ISO 5310:2002

DPS

Plehrat kimike - Përcaktimi i përmbajtjes së potasit - Metoda titrimetrike

60.60 Standard published

DPS/KT 190 më tepër