GB/T 4294-2010 Aluminium hydroxide
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage of aluminium hydroxide [Al(OH)3].
This standard is applicable to aluminium hydroxide used as raw materials for the production of inorganic aluminum salts, flame retardant fillers and other special alumina products.
2 Normative reference
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document applies.
GB/T 6609.22 Chemical analysis methods and determination of physical performance of alumina - Sampling
GB/T 6609.23 Chemical analysis methods and determination of physical performance of alumina - Preparation and storage of test samples
GB/T 6609.28 Chemical analysis methods and determination of physical performance of alumina - Determination of the fine particle size distribution(less than 60μm) - Method using electroformed sieves
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 534 (All parts) Chemical analysis methods of aluminium hydroxide
YS/T 667.1 The testing methods for chemical alumina - Part 1: Determination of cadmium chromium and vanadium in aluminum hydroxide for filler and pseudo boehmite by ICP-AES
YS/T 667.2 The testing methods for chemical alumina - Part 2: Determining concentration of arsenic, mercury and lead in aluminum hydroxide for filler and pseudo boehmite by HG-ICP-AES
3 Requirements
3.1 Product designation
Aluminum hydroxide is classified into two designations by chemical composition and physical properties: AH-1 and AH-2.
3.2 Chemical composition and physical properties
The chemical composition and physical properties of aluminum hydroxide shall be as specified in Table 1. The numerical values in the table shall be rounded off and judged in accordance with the provisions of GB/T 8170.
Foreword i
1 Scope
2 Normative reference
3 Requirements
4 Test methods
5 Inspection rules
6 Marking, packaging, transportation and storage
7 Contract content
