Fertilizers and soil conditioners — Determination of water-soluble potassium content — Potassium tetraphenylborate gravimetric method
NORMA vydaná dňa 27.5.2015
Designation standards: ISO 17319:2015
Publication date standards: 27.5.2015
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: 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.