GB/T 33075-2016 English PDF

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GB/T 33075-2016: Reactive dyes -- Determination of substantivity
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33075-2016	119	Add to Cart	2 days	Reactive dyes -- Determination of substantivity	Valid

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Basic data

Standard ID: GB/T 33075-2016 (GB/T33075-2016)
Description (Translated English): Reactive dyes -- Determination of substantivity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 6,658
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Regulation (derived from): National Standard Notice No.1716 of 2016
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 33075-2016: Reactive dyes -- Determination of substantivity

---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 substantivity ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Determination of the directness of reactive dyes 2016-10-13 released 2017-05-01 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. Hangzhou Jihua Jiangdong Chemical Co., Ltd., Shenyang Chemical Industry Research Institute Co., Ltd., the national dye quality supervision and inspection center. The main drafters of this standard. Ji Lanqin, Chen Meifen, Yang Zhenmei. Determination of the directness of reactive dyes

1 Scope

This standard specifies the determination of the directness of reactive dyes. This standard is applicable to the determination of the directness of KN and M reactive 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. General conditions for determination of dye dyeing

3 principle

The samples were stained on cotton yarns, and the absorbance values of the stained residues and the absorbance values of the standard dyes were calculated by staining for 30 min (before alkali addition) The dyeing percentage of the sample on cotton fiber for 30 min. The reproducibility of the reactive dyes was indicated by the percentage of dyeing up to 30 min.

4 reagents and materials

Reagents and materials shall comply with the relevant provisions of 3.1 of GB/T 2374-2007.

5 instruments and equipment

The equipment and equipment shall comply with the relevant provisions of Chapter 4 of GB/T 2374-2007. Instruments and equipment are as follows. a) spectrophotometer; b) Laboratory dyeing machine.

6 test method

6.1 Dyeing conditions The dyeing conditions should meet the following requirements. a) Dyeing depth. 1% (owf); b) dyeing fiber. cotton yarn, 10g; c) dyeing bath ratio. 1.20; d) Dyeing time. 30 min; e) Dyeing temperature. 60 ° C; f) anhydrous sodium sulfate. 60 g/L. ......

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