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GB/T 33788-2017: Reactive dyes -- Determination of shade and relative strength -- Low salt dyeing method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33788-2017 | English | 89 |
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Reactive dyes -- Determination of shade and relative strength -- Low salt dyeing method
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GB/T 33788-2017
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Basic data | Standard ID | GB/T 33788-2017 (GB/T33788-2017) | | Description (Translated English) | Reactive dyes -- Determination of shade and relative strength -- Low salt dyeing method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 4,497 | | Date of Issue | 2017-05-31 | | Date of Implementation | 2017-12-01 | | Quoted Standard | GB/T 2374-2017; GB/T 2387-2013; GB/T 6688-2008 | | 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 | | Summary | This standard specifies the method for the determination of hue and intensity of reactive dyes. This standard is applicable to the determination of hue and intensity of low-salt dyeing dyes. | GB/T 33788-2017: Reactive dyes -- Determination of shade and relative strength -- Low salt dyeing method
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Reactive dyes - Determination of shade and relative strength - Low salt dyeing method
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Determination of color and intensity of reactive dyes
Low salt staining
Reactivedyes-Determination ofshadeandrelativestrength-
2017-05-31 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Petroleum and Chemical Industry Association.
This standard is under the jurisdiction of the National Dye Standardization Technical Committee (SAC/TC134).
The drafting of this standard. Zhejiang Ruihua Chemical Co., Ltd., Shenzhen Pan-sheng plastic additives Co., Ltd., Shenyang Chemical Industry Research Institute Co., Ltd.,
National Dye Quality Supervision and Inspection Center.
The main drafters of this standard. Wang Yong, Ruan Fangping, Liang Peiji, Lu Guohai, Yang Zhenmei, Wu Jiuying.
Determination of color and intensity of reactive dyes
Low salt staining
1 Scope
This standard specifies the method for the determination of hue and intensity of reactive dyes.
This standard is applicable to the determination of hue and intensity of low-salt dyeing dyes.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 2374-2017 General conditions for dye dyeing determination
GB/T 2387-2013 Determination of color and intensity of reactive dyes
Determination of Relative Strength and Color Difference of Dyes by Instrument Method GB/T 6688-2008
3 reagents and materials
Reagents and materials should comply with the relevant provisions of Chapter 3 of GB/T 2374-2017.
4 instruments and equipment
The equipment and equipment shall comply with the relevant provisions of Chapter 4 of GB/T 2374-2017.
5 test method
5.1 General conditions
The general conditions for dyeing shall comply with the relevant provisions of GB/T 2374-2017. The depth of dyeing is selected according to the specific variety, in order to meet the sub-file clear
The principle of clarity.
The general conditions for dyeing are as follows.
--- dyeing fiber. 5g or 10g cotton knitted fabric or cotton yarn;
--- dyeing depth. 1% (owf) ~ 4% (owf);
--- dyeing bath ratio. 1.20 (under the premise of uniform dyeing, but also choose a smaller bath ratio);
--- anhydrous sodium sulfate. 30g/L ~ 35g/L;
Reaction dye dyeing agent. 5g/L ~ 8g/L, or anhydrous sodium carbonate. 15g/L ~ 20g/L;
--- dyeing temperature. room temperature (20 ℃) ~ 80 ℃;
--- Dyeing time. 90min.
5.2 dye bath preparation
To the dyeing depth of 2% (owf), 5g cotton knitted fabric or cotton yarn dyeing, using 1.20 bath ratio, for example, in 5 cups, according to Table 1 regulation
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