ISO 17319:2015

Fertilizers and soil conditioners — Determination of water-soluble potassium content — Potassium tetraphenylborate gravimetric method

Publication date: May 27, 2015

General information

Current stage: 90.93 Effective date: Sep 6, 2020

Originator: ISO

Owner: ISO/TC 134

Type: International Standard

ICS: 65.080

Languages: English

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Status: Published

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Scope

ISO 17319:2015 specifies a gravimetric method for the determination of the water-soluble potassium content of test solutions of fertilizers. It is suitable for use in arbitration and for reference purposes.
ISO 17319:2015 is applicable to those fertilizers containing more than 1,0 % K2O or equivalent amount of K content.

Life cycle

NOW

PUBLISHED
ISO 17319:2015
90.93 Standard confirmed
Sep 6, 2020

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