HG/T 4680-2014Determination of bulk density of fertilizer catalysts (English PDF)
化肥催化剂堆积密度的测定
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 14, 2014
Implementation date
April 1, 2015
Scope
HG/T 4680-2014 is the English-translated version of 化肥催化剂堆积密度的测定.
HG/T 4680-2014 is the Chinese chemical industry standard that sets out how the bulk density of fertilizer catalysts is determined in the laboratory. It covers the instruments used for the determination, the taking of the sample, the measurement procedure itself and the calculation of the result. Its scope reaches catalyst pellets supplied in strip, ring, cylindrical, irregular and other shapes, so one common procedure serves the different physical forms in which these catalysts reach the plant. Sieving and sampling are carried out in accordance with GB/T 6003.1 and GB/T 6678, the two standards it cites. Issued on 14 October 2014, it has applied since 1 April 2015.
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Document preview — HG/T 4680-2014
National Standard of the People's Republic of China
- ICS
- 71.100.99
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4680-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 6003.1
GB/T 6678
......
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
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Related Standards
GB/T 6003.1-2022 — Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
GB/T 6678-2003 — General principles for sampling chemical products
HG/T 3066-2025 — Rubber compounding ingredients - Precipitated hydrated silica - Determination of loss on ignition of the dried sample
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