标准编号：ISO/TS 20917:2023
中文名称：肥料、土壤调理剂和有益物质 用电感耦合等离子体光发射光谱（ICP-OES）测定无机肥料中柠檬酸铵、乙二胺四乙酸二钠可溶性磷和钾
英文名称：Fertilizers, soil conditioners and beneficial substances — Determination of ammonium citrate, disodium-EDTA soluble phosphorus and potassium by ICP-OES in inorganic fertilizers
发布日期：2023-07
标准范围
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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