HG 2934-2000: Feed grade zinc sulphate

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Scope

This standard specifies the requirements, test methods, inspection rules, signs, labels,
packaging, transportation, storage of feed grade zinc sulfate.
This standard applies to feed grade zinc sulfate, which is produced by reacting zinc-
containing raw materials with sulfuric acid. This product is used as a zinc supplement
in the feed, after pretreatment.
Molecular formula: ZnSO4 • H2O
Relative molecular mass: 179.47 (according to the international relative atomic mass in
1997)
Molecular formula: ZnSO4 • 7H2O
Relative molecular mass: 287.56 (according to the international relative atomic mass in
1997)

Basic Data

Standard ID	HG 2934-2000 (HG2934-2000)
Description (Translated English)	Feed grade zinc sulphate
Sector / Industry	Chemical Industry Standard
Classification of Chinese Standard	B46
Classification of International Standard	65.120
Word Count Estimation	9,911
Date of Issue	2000-06-05
Date of Implementation	2001-03-01
Older Standard (superseded by this standard)	HG 2934-1987
Quoted Standard	GB/T 601-1988; GB/T 602-1988; GB/T 603-1988; GB/T 6678-1986; GB/T 6682-1992; GB/T 8450-1987; GB 10648-1999; GB/T 13080-1991
Regulation (derived from)	Engineering (2010) No. 77
Summary	This standard specifies the carbon steel and stainless steel rotary cover plate welded flange into the hole of the type, the basic parameters, size, technical requirements and related restrictions. This standard applies to nominal pressure PN is less than or equal to 0. 6MP a, the maximum operating temperature and the corresponding working pressure without impact restrict the category of the material within the range specified in Table 3-2 Rotary welded flange cover plate into the hole.