Standard No.:	GB/T 43274-2023
English Name:	Mineral soil amendments—Determination of total calcium and magnesium content
Chinese Name:	无机土壤调理剂 总钙和镁含量的测定
Chinese Classification:	G20    Basic standards and general methods on chemical fertilizers
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2023-11-27
Implemented on:	2024-6-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.0
Delivery:	via email in 1~3 business day

GB/T 43274-2023 Mineral soil amendments - Determination of total calcium and magnesium content 1 Scope This document establishes an overview of the relevant methods for the determination of calcium and magnesium as defined in ISO 8157. This document is applicable to any mineral soil amendment, neutral, basic or acid containing calcium and/or magnesium. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 8157, Fertilizers and soil conditioners - Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 8157 apply. 4 List of existing and relevant methods The following methods listed in Table 1 have been considered in their scope. All these methods are considered relevant and suitable for the purpose of the determination of total calcium and/or magnesium content in mineral soil amendments defined in ISO 8157.