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.
Status: PublishedPublication date: 2018-08
Edition: 1Number of pages: 16
Technical Committee: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
Buy this standard
|std 1 92||PDF + ePub|
|std 2 92||Paper|