Standard No.:	HG/T 5515-2019
English Name:	Monoammonium phosphate and diammonium phosphate containing alginic acid
Chinese Name:	含海藻酸磷酸一铵、磷酸二铵
Professional Classification:	HG    Professional Standard - Chemistry
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2019-08-02
Implemented on:	2020-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6500 words
Translation Price(USD):	251.0
Delivery:	via email in 1 business day

HG/T 5515-2019 Monoammonium phosphate and diammonium phosphate containing alginic acid 1 Monoammonium phosphate and diammonium phosphate containing alginic acid 1 Scope This standard specifies the terms and definitions, requirements, test methods, inspection rules, marks, packaging, transport and storage of the monoammonium phosphate and diammonium phosphate containing alginic acid. This standard is applicable to the monoammonium phosphate and diammonium phosphate containing alginic acid prepared by adding seaweed liquid or seaweed powder extracted from seaweed as main raw material during monoammonium phosphate and diammonium phosphate production process. 2 Normative References The following files are indispensable to the application of this file. For reference documents with specified dates, only the version of the specified date applies to this document. For reference documents without a specified date, their latest versions (including all revisions) apply to this document. GB/T 6679 General rules for sampling of solid chemical products GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 8569 Packaging of solid chemical fertilizers GB/T 10205 Monoammonium phosphate and diammonium phosphate GB/T 10209.1 Determination of monoammonium phosphate and diammonium phosphate-Part 1: Total nitrogen content GB/T 10209.2 Determination of monoammonium phosphate and diammonium phosphate-Part 2: Phosphorus content GB/T 10209.3 Determination of monoammonium phosphate and diammonium phosphate-Part 3: Water contewith ant GB/T 10209.4 Determination of monoammonium phosphate and diammonium phosphate-Part 4: Particle size GB 18382 Fertilizer Marking-Presentation and declaration HG/T 2843 Chemical Fertilizer Products-Standard volumetric, standard, reagent and indicator solutions for chemical analysis 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 alginic acid a polysaccharide that is formed by a linear polymerization of monouronic acid, which is a block copolymer formed by 1,4 glycosidic bonds using monomers of β-1,4-D-mannuronic acid and α-1,4-L-guluronic acid and the chemical formula is(C6H8O6)n 3.2 monoammonium phosphate and diammonium phosphate containing alginic