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GB/T 4294-2010Aluminium hydroxide (English PDF)

氢氧化铝

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 14, 2011

Implementation date

November 1, 2011

Scope

GB/T 4294-2010 is the English-translated version of 氢氧化铝.

GB/T 4294-2010 is the Chinese standard "Aluminium hydroxide". Its scope clause reads: This standard specifies the aluminum hydroxide [Al (OH) 3] requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to the production of inorganic aluminum salt, flame retardant fillers and the production of other specialty alumina products with raw aluminum hydroxide. Its clauses include requirements.

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Document preview — GB/T 4294-2010

National Standard of the People's Republic of China

ICS
77.150.10
Classification
H 61
Replacing
GB/T 4294-1997

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Requirements
  • 3.1 Grades
  • 3.2 chemical composition and physical properties

1 Scope

This standard specifies the aluminum hydroxide [Al (OH) 3] requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to the production of inorganic aluminum salt, flame retardant fillers and the production of other specialty alumina products with raw aluminum hydroxide.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 6609.22 alumina chemical analysis methods and determination of physical performance sampling

GB/T 6609.23 preparation and storage of alumina chemical analysis methods and determination of physical performance of the sample

Determination of GB/T 6609.28 alumina chemical analysis and determination of physical performance of less than 60µm particle size distribution of fine powder

Wet screening

GB/T 8170 repair value expressed about the rules and limit values and judgment

YS/T 534 (all parts), chemical analysis of aluminum hydroxide

YS/T 667.1 Chemicals alumina chemical analysis methods - Part 1. filler aluminum hydroxide and quasi boehmite of cadmium, chromium, vanadium

Determination by inductively coupled plasma atomic emission spectrometry

YS/T 667.2 Chemicals alumina chemical analysis methods - Part 2. filler aluminum hydroxide and quasi boehmite arsenic, mercury, lead

Determination of the content of hydride generation - inductively coupled plasma emission spectrometry

3 Requirements

3.1 Grades

Aluminum hydroxide according to the chemical composition and physical properties are divided into two grades. AH-1, AH-2.

3.2 chemical composition and physical properties

Chemical composition and physical properties of aluminum hydroxide should meet the requirements in Table 1. Values in the table according to the provisions of GB/T 8170 and were rounding determination.

Table 1

Trademark

Chemical composition (mass fraction) b /% physical properties

Al2O3c not less than

Impurity content of not more than

SiO2 Fe2O3 Na2O

Loss on ignition (LOI)

Water (adhesive water) /% no greater than

AH-1a, d margin 0.02 0.02 0.40 34.5 ± 0.5 12

AH-2d margin 0.04 0.02 0.40 34.5 ± 0.5 12

When used as a dry aluminum fluoride production of raw materials, water requirements (attached water) not more than 6%, less than 45µm particle mass fraction <=15%.

b Press chemical composition at 110 °C ± 5 °C drying 2h dry matter basis.

c Al2O3 content is the sum of the impurities and the balance after subtracting the loss on ignition 100% listed in the table.

d of heavy metal elements w (Cd Hg Pb Cr6 As) <=0.010%, not only for routine analysis, but should monitor its content.

......
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

Similar standards

Editions of GB/T 4294

EditionTitleRevisionStatus
GB/T 4294-2010Aluminium hydroxidecurrent editionCurrent
GB/T 4294-1997Aluminium hydroxideprevious editionSuperseded

This page sells the current edition, GB/T 4294-2010. Earlier editions are listed for reference only.

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