HG/T 3541-1990 Water treatment agent crystalline aluminum chloride

Original standard number ZB G77001-90 HG/T 3541-1990 Water treatment agent crystalline aluminum chloride HG/T3541-1990 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
Water Treatment Agent
Subject Content and Scope of Application
Crystallized Aluminum Chloride
ZB G77 001—90
This standard specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage of crystallized lead chloride for water treatment agents. This standard is applicable to crystallized chlorination pot for water treatment agents. This product is mainly used for the treatment of drinking water and industrial water. Molecular formula: AICls-6H.0
Relative molecular weight: 241.43 (according to the international atomic weight of 1987) 2 Reference standards
GB 191
GR 601
GB 603
Packaging, storage and transportation pictorial symbols
Chemical reagents Preparation of standard solutions for titration analysis (volume analysis) Chemical reagents
Preparation of standard solutions for impurity determination
Preparation of preparations and products used in chemical reagent test methods GB 610. 1
GB3049
CB 6678
3 Technical requirements
Chemical reagents General method for determination of arsenic (arsenic spot method) General method for determination of iron content in chemical products O-phenanthroline spectrophotometric method General rules for sampling of chemical products
3.1 Appearance, orange-yellow or light yellow body. 3.2 Crystallized aluminum chloride for water treatment should meet the requirements of the following table: Index Name
Crystallized aluminum chloride (AICI+6H.O) content, % Iron (Fe) content, %
Insoluble matter content, %
As content, %
Heavy metal (in terms of Pb) content, %
H value (1% aqueous solution)
Test method
First-class product
Qualified product
The reagents and water used in this standard, unless otherwise specified, refer to analytical reagents and distilled water or water of equal purity. The standard solutions, impurity standard solutions, preparations and products required in the test, unless otherwise specified, shall be prepared in accordance with the provisions of GB601, GB602 and GB603. Www.bzxZ.net
4.1 Determination of the content of crystalline aluminum chloride
Approved by the Ministry of Chemical Industry of the People's Republic of China on March 13, 1990 and implemented on January 1, 1991
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