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SSH ISO 5318:2002

Plehrat kimike - Përcaktimi i përmbajtjes së potasit - Metoda gravimetrike e tetrafenilboratit të potasit - (Metodë referencë)

Fertilizers — Determination of potassium content — Potassium tetraphenylborate gravimetric method (Reference method)
1 jan 2002

General information

60.60     1 jan 2002

DPS

DPS/KT 190

International Standard

65.080  

anglisht  

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Scope

The method consists in preparing of a test solution as specified in ISO 5317, precipitating of potassium ions by sodium tetraphenylborate in a weakly alkaline medium in the presence of disodium ethylenediaminetetraacetate dihydrate (EDTA, disodium salt) and formaldehyde, followed by filtrating of the precipitate, drying and weighing.

Life cycle

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PUBLISHED
SSH ISO 5318:2002
60.60 Standard published
1 jan 2002

Related project

Adopted from ISO 5318:1983