HG/T 5820-2020Regenerated ammonium chloride solution (English PDF)
再生氯化铵溶液
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 9, 2020
Implementation date
April 1, 2021
Scope
HG/T 5820-2020 is the English-translated version of 再生氯化铵溶液.
HG/T 5820-2020 is the recommended Chinese chemical industry standard for regenerated ammonium chloride solution. It classifies the product and sets its requirements, the test methods, the inspection rules, and the marking, labelling, packaging, transportation and storage. The solution it covers is the one recovered from the copper-bearing acidic and alkaline etching waste liquors of circuit board manufacture; the recovered material serves mainly in preparing circuit board etching sub-liquid and in the inorganic chemical industry. GB/T 191-2008, GB/T 6678, GB/T 6682-2008, GB/T 8170, GB/T 23769, HG/T 3696.1, HG/T 3696.2 and HG/T 3696.3 are quoted in the text. Issued on 9 December 2020, it has applied since 1 April 2021.
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Document preview — HG/T 5820-2020
National Standard of the People's Republic of China
- ICS
- 71.060.50
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 5820-2020 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191-2008
GB/T 6678
GB/T 6682-2008
GB/T 8170
GB/T 23769
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/T 191-2008Graphical symbols marking for handling and storage of packages
- GB/T 6678General principles for sampling chemical products
- GB/T 6682-2008Water for analytical laboratory use - Specification and test methods
- GB/T 8170Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 23769Inorganic chemical products - General method for the determination of pH values
- HG/T 3696.1Inorganic chemical products - Preparation of standard solutions, reagent solutions and products for chemical analysis - Part 1: Preparation of standard volumetric solutions
Similar standards
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Related Standards
GB/T 23769-2009 — Inorganic chemical products - General method for the determination of pH values
GB/T 6678-2003 — General principles for sampling chemical products
GB/T 6682-2008 — Water for analytical laboratory use - Specification and test methods
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HG/T 5820-2020
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