ISO 19747:2020

Abstract

This document establishes a method for the determination of monosilicic acid concentrations in nonliquid fertilizer materials. Monosilicic acid is reported as silicon (Si).

This extraction method is applicable to the detection of monosilicic acid in nonliquid fertilizer products, blended products, and beneficial substances at silicon (Si) concentrations of 2 to 84 g/kg, with a limit of detection (LOD) of 0,6 g/kg Si, and a limit of quantification (LOQ) of 2 g/kg correlating well with plant uptake.

This method is not applicable to liquid silicon fertilizer sources due to an expected low bias of Si recovery and low correlation with plant uptake.

General information

Status
: Published

Publication date
: 2020-10
Edition
: 1

Number of pages
: 10
Technical Committee
: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
ICS
:
65.080 Fertilizers

This standard contributes to the following Sustainable Development Goal:

Zero Hunger

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ISO 19747:2020
Stage: 60.60

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