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