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ISO 19822:2018

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ISO 19822:2018

Fertilizers and soil conditioners -- Determination of humic and hydrophobic fulvic acids concentrations in fertilizer materials

International Organization for Standardization

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Scope

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.

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Document Type Standard
Status Current
Publisher International Organization for Standardization
Committee TC 134