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HG/T 4691-2014Polyphosphoric acid for industrial use (English PDF)

工业多聚磷酸

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 24, 2014

Implementation date

June 1, 2015

Scope

HG/T 4691-2014 is the English-translated version of 工业多聚磷酸.

HG/T 4691-2014 is the recommended chemical industry standard for polyphosphoric acid for industrial use. The document sets the requirements for the acid and the test methods, inspection rules and provisions for marking, labelling, packaging, transport and storage that go with them. It is written for the industrial product obtained from yellow phosphorus and phosphorus pentoxide. Handling and packaging follow GB 190-2009, GB 15258, GB 18191 and GB/T 19161, while the analytical work uses GB/T 3049-2006, GB/T 6678, GB/T 6682-2008, GB/T 8170, GB/T 23947.1-2009, GB/T 23950-2009 and the HG/T 3696 series. Issued on 24 December 2014, it has applied since 1 June 2015.

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Document preview — HG/T 4691-2014

National Standard of the People's Republic of China

ICS: 71.060.30

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

2 Normative references

2 Normative references

HG/T 4691-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB 190-2009

GB/T 3049-2006

GB/T 6678

GB/T 6682-2008

GB/T 8170

GB 15258

GB 18191

GB/T 19161

GB/T 23947.1-2009

GB/T 23950-2009

HG/T 3696.1

HG/T 3696.2

HG/T 3696.3

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB 190-2009 · GB/T 3049-2006 · GB/T 23947.1-2009

Similar standards

HG/T 2520-2023|HG/T 4509-2023|HG/T 6142-2023|HG/T 6143-2023|HG/T 6242-2023|HG/T 6246-2023

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