Fertilizers and soil conditioners — Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials
NORMA vydaná dňa 10.8.2018
Označenie normy: ISO 19822:2018
Dátum vydania normy: 10.8.2018
Počet strán: 16
Približná hmotnosť: 48 g (0.11 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: This document specifies the procedure for the analysis of humic acids and hydrophobic fulvic acids which is applicable to dry and liquid materials used as ingredients in commercial fertilizers, soil amendments, and geological deposits.