HG/T 2659-1995 Fast Yellow G

HG/T 2659-1995 Fast Yellow G HG/T2659-1995 Standard download decompression password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
HG/T2659-95
Fast Yellow
Published on March 6, 1995
Ministry of Chemical Industry of the People's Republic of ChinaWww.bzxZ.net
Implemented on June 1, 1996
W.bzsoso.cOI Chemical Industry Standard of the People's Republic of China
Fast Yellow G
Subject Content and Scope of Application
HG/T2659-95
Replaces GB3679-83
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of Fast Yellow G. This standard applies to yellow pigments produced by coupling reaction of o-nitro-p-toluidine with acetoacetanilide after diazotization. The product is mainly used in ink, coating printing paste and educational supplies, etc. Structural formula:
Molecular formula: C1H160N,
-NN-CH-CONH
Relative molecular mass: 340.36 (according to the international relative atomic mass in 1991) 2 Reference standards
GB/T1710
Determination of light fastness of pigments
GB/T1715
Determination of pigment sieve residue
Comparison of pigment colors
GB/T1864
GB/T5211.2
GB/T5211.3
GB/T5211.5
Determination of water-soluble matter in pigments by hot extraction method
Determination of volatile matter of pigments at 105°C
Determination of water resistance of pigments
GB/T5211.6
Determination of acid resistance of pigments
GB/T5211.7
Determination of alkali resistance of pigments
Determination of oil resistance of pigments
GB/T 5211.8
GB/T5211.15
GB/T5211.19
HG/T2457
3 Technical requirements
Determination of oil absorption of pigments
Determination of relative tinting strength and diluted color of coloring pigments General rules for inspection, marking, packaging, transportation and storage of pigment products Fast Yellow G should meet the technical requirements listed in the table below. Approved by the Ministry of Chemical Industry of the People's Republic of China on March 6, 1995 Self-visual comparison method
Implementation on June 1, 1996
W. Color (compared with standard sample)
Relative tinting strength (compared with standard sample), %
Volatile matter at 105℃, % (m/m)
Water-soluble matter, % (m/m)
Oil absorption g/100g
Residue (400um mesh), % (m/m) Water resistance, grade
Acid resistance, grade
Alkali resistance, grade
Oil resistance, grade
Light resistance, grade
4 Test method
4.1 Comparison of color
HG/T2659-95
Approximately ~ slightly
According to the provisions of GB/T1864. The sample size is 0.5g, the amount of refined linseed oil added for the first time is 1mL, after grinding for 200 turns, add 0.8mL, and grind for another 25 turns.
4.2 Determination of relative tinting strength
According to the provisions of GB/T5211.19. The grinding concentration of the pigment dispersion is 1.0g pigment and 1.5g paint base, the grinding number of the pigment dispersion is 200 revolutions, and the dilution ratio is 1:10, that is, 0.30g of color pigment paste and 3.0g of white pigment paste. 4.3 Determination of volatile matter at 105℃
According to the provisions of GB/T5211.3. The sample size is 5g. 4.4 Determination of water-soluble matter
According to the provisions of GB/T5211.2. The sample size is 2.5g. 4.5 Determination of oil absorption
According to the provisions of GB/T5211.15. The sample size is 2g. 4.6 Determination of sieve residue
According to the provisions of method B in GB/T1715. 4.7 Determination of water resistance
According to the provisions of GB/T5211.5. The preparation of the test solution is in accordance with 3.1.1. 4.8 Determination of acid resistance
Perform according to the provisions of GB/T5211.6. The result is expressed as the staining of the filtrate. 4.9 Determination of alkali resistance
Perform according to the provisions of GB/T5211.7. The result is expressed as the staining of the filtrate. 4.10 Determination of oil resistance
Perform according to the provisions of GB/T5211.8.
4.11 Determination of light fastness
Perform according to the provisions of GB/T1710, and use the light fastness machine method to conduct light fastness test. 5 Inspection, marking, packaging, transportation and storage 5.1 Inspection rules
W.bzsoso：comHG/T2659-95
Perform according to the provisions of Chapter 3 of HG/T2457. All technical requirements listed in this standard are type inspection items, among which color, relative tinting strength, volatile matter at 105℃, water-soluble matter, oil absorption and sieve residue are factory inspection items. Under normal production conditions, type inspection shall be carried out at least once a year.
5.2 Marking
Perform in accordance with the provisions of Chapter 4 of HG/T2457. 5.3 Packaging
Perform in accordance with the provisions of Chapter 5 of HG/T2457. Products can be packed in iron drums, wooden drums, cardboard drums or fiberboard drums lined with plastic film bags according to needs.
5.4 Transportation and storage
Perform in accordance with the provisions of Chapter 6 of HG/T2457. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Standardization of Paints and Pigments. This standard was drafted by Tianjin Dyeing and Chemical Factory No. 8. The main drafters of this standard are Zhao Huihong and Pei Lian'e. From the date of implementation of this standard, the original National Standard of the People's Republic of China GB3679-83 "Light-fast Yellow G" shall be invalid. 3
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