GB/T 23771-2009Determination of bulk density for inorganic chemical products (English PDF)
无机化工产品中堆积密度的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 13, 2009
Implementation date
January 1, 2010
Scope
GB/T 23771-2009 is the English-translated version of 无机化工产品中堆积密度的测定.
GB/T 23771-2009 is the Chinese standard "Determination of bulk density for inorganic chemical products". Its scope clause reads: This standard specifies the method for determination of the principles of inorganic chemical products in bulk density, instruments, analytical procedures and the results of calculations.
This standard applies to the determination of bulk density greater than 45µm particle size of inorganic chemical products. Its clauses include principle of the method; instrument.
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Document preview — GB/T 23771-2009
National Standard of the People's Republic of China
- ICS
- 71.060.01
- Classification
- G 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 principle of the method
- 3 Instrument
- 3.1 bulk density measuring device material
- 3.2 Bulk density measuring device
- 3.3 Determination of tank volume
1 Scope
This standard specifies the method for determination of the principles of inorganic chemical products in bulk density, instruments, analytical procedures and the results of calculations.
This standard applies to the determination of bulk density greater than 45µm particle size of inorganic chemical products.
2 principle of the method
An amount of the sample through a conical funnel, the free fall of a known volume of a cylindrical bucket, the bucket filled accurately weighed sample of the substance
Amount, calculated to obtain a test sample of the bulk density.
3 Instrument
3.1 bulk density measuring device material
glass, plastic, stainless steel.
3.2 Bulk density measuring device
1.
1 --- tank;
2 --- scaffold;
3 --- funnel.
Figure 1 Bulk density measuring device
3.3 Determination of tank volume
3.3.1 Determination
The tank wash, dry, covered with glass, weighing bucket and quality of glass. Carefully pour water into the tank, nearly full when applied with a dropper
Water to the full, covered with glass. With filter paper and glass exterior of the tank water, glass and feed tank should be no air bubbles between the horizontal plane and then
Weigh the tank and the glass sheet.
3.3.2 density of water and temperature parameters
3.3.2.1
Table 1 shows the 10 °C ~ 27 °C water density parameter.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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