GB/T 2399-2014Cationic dyes - Determination of dyeing shade and relative strength (English PDF)

1 Scope

This standard specifies the method for determination of cationic dye shade and intensity.

This standard applies to the determination of cationic dye shade and intensity.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

General conditions GB/T 2374-2007 Determination of dyes provisions

Determination of GB/T 6688-2008 relative dye strength and color of the instrumental method

Principle 3

Using standard samples and specimens of the same species in the same conditions, the acrylic fiber dyeing. In the staining intensity of the standard sample

100, for the standard shade, visual comparison, evaluation of shade and strength of the sample, or measuring the strength of the sample with shade and color measurement instrument.

4 Reagents and materials

The reagents used shall comply with GB/T 2374-2007 in Chapter 3.

5. Apparatus

The equipment shall comply with GB/T 2374-2007 Chapter 4, the apparatus comprising.

a) analytical balance. a sense of not more than 0.0001g;

b) laboratory dyeing machine;

c) color measurement instrument.

6 Test methods