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HG/T 3852-2006Pigments - Determination of residue on sieve (English PDF)

颜料筛余物测定法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 27, 2006

Implementation date

October 11, 2006

Scope

HG/T 3852-2006 is the English-translated version of 颜料筛余物测定法.

HG/T 3852-2006 is the Chinese chemical industry standard that fixes a method for determining sieve residue, the ratio of the mass of the residue to the mass of the specimen after the material has passed through a sieve of a given aperture, expressed as a percentage. It lists the materials and instruments needed, among them sieves of stated dimensions, a balance reading to 0.01 g and to 0.0002 g, an electric heating blower and 95% ethanol, and then the determination method, which includes a wet sieving method. The listing gives the title as determination of the screened material from dyestuff, while the document heading reads determination of residue on sieve of pigments. Issued on 27 July 2006, it was implemented on 11 October 2006.

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Document preview — HG/T 3852-2006

National Standard of the People's Republic of China

Replacing: GB/T 1715-1979

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword3
1 Scope4
2 Materials and instruments4
3 Determination method4

1 Scope

This method refers to the ratio of the mass of the residue to the mass of the specimen, after the pigment passes through a sieve with a certain aperture, expressed as a percentage.

2 Materials and instruments

2.1 Sieve. Inner diameter 65 mm ~ 70 mm, height 35 mm ~ 40 mm;

Outer diameter 75 mm ~ 80 mm, height 50 mm ~ 55 mm;

2.2 Zhongkai [Translator. medium size] wool pen. Hair length 25 mm~30 mm;

2.5 95% ethanol. Chemically pure.

2.3 Balance. Sensitivity 0.01 g, 0.0002 g

2.4 Electric heating blower. Sensitivity ±1 °C

3 Determination method

3.1 Method A. Wet sieving method

Weigh 10 g of the specimen (accurate to 0.01 g); put it into a sieve moistened with ethanol and weighed constant according to the product standard; moisten the specimen with ethanol; hold the upper end of the sieve; immerse the bottom of the sieve in water; gently scrub it with a Zhongkai [Translator. medium size] wool pen, until there are no pigment particles in the water. Rinse it twice with distilled water and once with ethanol.

Finally, place it in a (105 ± 2) °C constant temperature oven for 2 h; quickly take it out and place it in a desiccator to cool it to room temperature; weigh it (accurate to 0.0002 g) until constant weight. The percentage of sieve residue (X) is calculated as follows. Where. […]

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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

Cited by

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Editions of HG/T 3852

Edition	Title	Revision	Status
HG/T 3852-2006	Pigments - Determination of residue on sieve	current edition	Current
GB/T 1715-1979	Pigments - Determination of residue on sieve	previous edition	Superseded

This page sells the current edition, HG/T 3852-2006. Earlier editions are listed for reference only.

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