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ISO/TS 20917:2023

Fertilizers, soil conditioners and beneficial substances — Determination of ammonium citrate, disodium-EDTA soluble phosphorus and potassium by ICP-OES in inorganic fertilizers

Jul 27, 2023

General information

60.60     Jul 27, 2023

ISO

ISO/TC 134

Technical Specification

65.080  

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This document specifies an inductively coupled plasma-optical emission spectrometer (ICP-OES) method for the determination of the ammonium citrate, disodium-etheylenediamine tetraacetic acid (EDTA) soluble phosphorus and potassium content in fertilizer extract solutions.
This document is applicable to all inorganic fertilizer products, whether compound or complex fertilizer products or blends thereof, and straight concentrated fertilizer products.

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PUBLISHED
ISO/TS 20917:2023
60.60 Standard published
Jul 27, 2023

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