Standard No.:	GB/T 19203-2026
English Name:	Determination of calcium, magnesium and sulphur content for compound fertilizers
Chinese Name:	复合肥料中钙、镁、硫含量的测定
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2026-02-27
Implemented on:	2026-9-1
Status:	to be valid
Superseding:	GB/T 19203-2003 Determination of calcium,magnesium and sulphur content for compound fertilizer
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	255.0
Delivery:	via email in 1~3 business day

GB/T 19203-2026 Determination of calcium, magnesium and sulphur content for compound fertilizers English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS National Standard of the People's Republic of China ‌GB/T 19203-2026 Determination of calcium, magnesium and sulphur content for compound fertilizers 复合肥料中钙、镁、硫含量的测定 Issue date: 2026-02-27 Implementation date: 2026-09-01 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China the Standardization Administration of the People's Republic of China Contents Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 Sample 5 Preparation of Test Solution 6 Determination of Calcium Content 7 Determination of Magnesium Content 8 Determination of Total Sulfur Content Determination of calcium, magnesium and sulfur content in compound fertilizers 1 Scope This document describes the methods for the determination of calcium, magnesium and sulfur content in compound fertilizers. This document applies to the determination of calcium, magnesium and sulfur content in compound fertilizers. The determination of calcium, magnesium and sulfur content in other fertilizers may refer to this document. 2 Normative references The contents of the following documents constitute essential provisions of this document through normative reference. For dated references, only the edition cited applies. For undated references, the latest edition (including all amendments) applies. GB/T 6274 Fertilizers, soil conditioners and beneficial substances — Terminology GB/T 6682 Water for analytical laboratory use — Specification and test methods GB/T 8571 Compound fertilizers — Preparation of laboratory samples GB/T 15063 Compound fertilizers JJG 196 Common glass measuring vessels 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 6274 and GB/T 15063 apply. 4 Sample Sample preparation shall be carried out in accordance with GB/T 8571.