Standard No.:	HG/T 4132-2010
English Name:	Diammonium hydrogen phosphate for industrial use
Chinese Name:	工业磷酸氢二铵
Chinese Classification:	G12    Inorganic salt
Professional Classification:	HG    Professional Standard - Chemistry
ICS Classification:	71.060.50 71.060.50    Salts 71.060.50
Issued by:	Ministry of Industry and Information Technology
Issued on:	2010-11-22
Implemented on:	2011-3-1
Status:	superseded
Superseded by:	HG/T 4132-2021 Diammonium hydrogen phosphate for industrial use
Superseded on:	2022-4-1
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	204.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the requirements, test methods, inspection rules, marking, labeling, packaging, transportation and storage with regard to diammonium hydrogen phosphate for industrial use. This standard is applicable to diammonium hydrogen phosphate for industrial use as flame retardant of fabric, timber and paper as well as for production of ceramic, enamel and welding flux. 2 Normative References The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document applies. GB/T 191-2008 Packaging-Pictorial Marking for Handling of Goods (mod ISO 780: 1997) GB/T 6678 General Principles for Sampling Chemical Products GB/T 6682-2008 Water for Analytical Laboratory Use - Specification and Test Methods (mod ISO 3696: 1987) GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values GB/T 10209.1-2008 Determination of Monoammonium Phosphate and Diammonium Phoshpate - Part 1: Total Nitrogen Content (Titration after Distillation) GB/T 10209.3-2008 Determination of Monoammonium Phosphate and Diammonium Phoshpate - Part 3: Total Water Content HG/T 3696.2 Inorganic Chemical Products Preparations of Standard Solutions for Chemical Analysis HG/T 3696.3 Inorganic Chemical Products Preparations of Reagent Solutions for Chemical Analysis

Contents Foreword II 1 Scope 2 Normative References 3 Molecular Formula and Relative Molecular Mass 4 Requirements 5 Test Method 6 Inspection Rules 7 Marking and Labeling 8 Packaging, Transportation and Storage Appendix A (Informative) Technical Differences between This Standard and the Russian National Standard Appendix B (Informative) Structural Differences between This Standard and the Russian National Standard