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GB/T 25802-2017 English PDF

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GB/T 25802-2017: Disperse brilliant blue E-4R (C. I. Disperse blue 56)
Status: Valid

GB/T 25802: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 25802-2017English139 Add to Cart 3 days [Need to translate] Disperse brilliant blue E-4R (C. I. Disperse blue 56) Valid GB/T 25802-2017
GB/T 25802-2010English239 Add to Cart 3 days [Need to translate] Disperse brilliant blue E-4R (C.I. Disperse blue 56) Obsolete GB/T 25802-2010

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Basic data

Standard ID GB/T 25802-2017 (GB/T25802-2017)
Description (Translated English) Disperse brilliant blue E-4R (C. I. Disperse blue 56)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G57
Classification of International Standard 71.100.01; 87.060.10
Word Count Estimation 7,75
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Older Standard (superseded by this standard) GB/T 25802-2010
Regulation (derived from) National Standard Announcement 2017 No. 29
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 25802-2017: Disperse brilliant blue E-4R (C. I. Disperse blue 56)

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Disperse brilliant blue E-4R (CIDisperse blue 56) ICS 71.100.01; 87.060.10 G57 National Standards of People's Republic of China Replacing GB/T 25802-2010 Disperse Brilliant Blue E-4R (CI Disperse Blue 56) Dispersebriliantblue E-4R (CIDisperseblue56) Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 25802-2010 "Disperse Brilliant Blue E-4R (CI Disperse Blue 56)", compared with GB/T 25802-2010, in addition to The main technical changes outside the editorial changes are as follows. --- Increased colorimetric color index (see 3.1); --- Modify the dispersion index (see 3.1,.2010 edition 3.2); --- Modify harmful aromatic amine control indicators and test methods (see 3.1, 5.8,.2010 edition of 3.2, 5.8); --- Appearance assessment method to increase the provisions of the light source (see 5.1,.2010 version 5.1); --- Modify the bath ratio requirements, dye bath preparation methods and color light and strength assessment method (see 5.2,.2010 edition 5.2). This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Standardization Technical Committee of Dyes (SAC/TC134) centralized. This standard was drafted by Hangzhou Jihua Jiangdong Chemical Co., Ltd., Zhejiang Changzheng Chemical Co., Ltd., Jiujiang Fidelity Industrial Co., Ltd., Zhejiang Bo Australia Dye Industry Co., Ltd., Shenyang Chemical Research Institute Co., Ltd., the National Dye Quality Supervision and Inspection Center. The main drafters of this standard. Ji Lan Qin, Chen Mei-fen, high-new, Dong Zhongsheng, Peng Dexin, Jin Yonghui, Wu Lifu, Wen Weidong. This standard replaces the standards previously issued as. --- GB/T 25802-2010. Disperse Brilliant Blue E-4R (CI Disperse Blue 56)

1 Scope

This standard specifies the requirements of the scattered brilliant blue E-4R (CI Disperse Blue 56, Disperse Blue 2BLN) products, sampling, test methods, inspection rules As well as logos, labels, packaging, shipping and storage. This standard applies to Disperse Brilliant Blue E-4R product quality control. Structure. Molecular formula .C14H9BrN2O4 Relative molecular mass .349.14 (By International Relative Atomic Weight in.2013) CASRN.31810-89-6

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2374-2017 dye determination of the general conditions for dyeing Disperse dyes GB/T 2394-2013 Determination of color intensity and light Determination of GB/T 2397 disperse dye lifting force Textiles - Tests for color fastness - Color fastness to rubbing GB/T 3920-2008 Textiles - Tests for color fastness - Color fastness to washing - GB/T 3921-2008 Textiles - Tests for color fastness Textiles - Tests for color fastness - Color fastness to perspiration GB/T 3922-2013 GB/T 4841.1-2006 Dyeing standard depth color card 1/1 GB/T 5540 Disperse dispersions - Determination of two - layer filter paper filtration GB/T 5541 disperse dyes Determination of high temperature dispersion stability Double filter paper filtration Textiles Tests for color fastness Color fastness to dry heat (except hot pressing) GB/T 5718-1997 Textiles Tests for color fastness Color fastness to hot press GB/T 6152-1997 General principles of sampling of chemical products GB/T 6678-2003 Textiles Tests for color fastness - Color fastness to artificial light - Xenon arc Determination of coloring rate of high temperature dyeing of disperse dyes Determination and determination of 23 kinds of harmful aromatic amines in GB 19601 dye products GB 20814 dye products in the determination of heavy metal elements GB/T 24101 dye products 4-amino-azobenzene limit and determination GB/T 27597 Determination of dye diffusion properties

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25802-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.