标准编号：ISO 22018:2021
中文名称：肥料、土壤改良剂和有益物质 无机肥料中EDTA可溶性磷含量的测定
英文名称：Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
发布日期：2021-07
标准范围
This document specifies the method for the determination of the EDTA soluble phosphorus content of inorganic fertilizers. The method is applicable for fertilizers composed of or blended from multiple sources such as superphosphate, ammonium phosphate, triple superphosphate, and/or nitrophosphate. It is not suitable for fertilizers containing calcium magnesium phosphates.
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