GSO ISO 17319:2017
Fertilizers and soil conditioners -- Determination of water-soluble potassium content -- Potassium tetraphenylborate gravimetric method

Standard No.

GSO ISO 17319:2017

Release Date

2017

Published By

GSO

Latest

GSO ISO 17319:2017

Scope

This International Standard 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. This International Standard is applicable to those fertilizers containing more than 1,0 % K2O or equivalent amount of K content.

GSO ISO 17319:2017 history

• 2017 GSO ISO 17319:2017 Fertilizers and soil conditioners -- Determination of water-soluble potassium content -- Potassium tetraphenylborate gravimetric method