GB/T 1867-2017Vat blue RSN (C.I. Vat blue 4) (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 1867-2008 "Red Blue RSN (CI Blue 4)", compared with GB/T 1867-2008, in addition to editorial Changes outside the main technical changes are as follows.

--- Deleted the scope of the product applications (see Chapter 1, 2008 edition of Chapter 1);

--- Increased colorimetric color index (see 3.1);

--- Modify the appearance of indicators (see 3.1, 2008 version 3.1);

--- Revised large particle indexes and test methods (see 3.5, 5.5, 2008 version 3.2,5.5);

--- Modify harmful aromatic amine control requirements and test methods (see 3.1, 5.7, 2008 version 3.2, 5.7)

--- Appearance assessment method to increase the provisions of the light source (see 5.1, 2008 edition of 5.1);

--- Modify the provisions of the fabric and bath ratio (see 5.2.1.1, 2008 edition of 5.2.1.1);

--- Modify the preparation of the dye bath (see 5.2.1.3, 2008 edition 5.2.1.3);

--- Modify the method of color light and intensity assessment (see 5.2.3, 2008 edition of 5.2.3);

--- Modify the logo, labels, packaging transport and storage structure, delete the storage period (see Chapter 7, 2008 edition Chapter 7).

1 Scope

This standard specifies the requirements for reducing Blue RSN (CI Blue 4) products, sampling, test methods, inspection rules and signs, labels, Packaging, transportation and storage.

This standard applies to restore the product quality control blue RSN. Structure.

Molecular formula.C28H14N2O4 Relative molecular mass.442.42 (By International Relative Atomic Weight in 2013) CASRN. 81-77-6

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. 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

GB/T 2377-2013 Determination of vat dyes and light intensity

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

Determination of the dispersion stability of dye suspensions GB/T 4467-2006

GB/T 4841.1-2006 Dyeing standard depth color card 1/1

Determination of large dye particles - Single layer filter cloth filtration method

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

Determination of dustiness of dye dust GB/T 6693-2009

Textiles - Tests for color fastness - Fastness to hypochlorite bleach

Textiles Tests for color fastness - Color fastness to artificial light - Xenon arc

Textiles - Tests for color fastness - Color fastness to light and perspiration combined color fastness GB/T 14576-2009

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