90.93 Standard confirmed Sep 6, 2020
ISO
ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
International Standard
65.080 Fertilizers
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.
PUBLISHED
ISO 17319:2015
90.93
Standard confirmed
Sep 6, 2020