GB/T 5542-2016 English PDF

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GB/T 5542-2016: Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth
Status: Valid

GB/T 5542: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5542-2016	199	Add to Cart	3 days	Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth	Valid
GB/T 5542-2007	239	Add to Cart	3 days	Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth	Obsolete
GB/T 5542-1985	239	Add to Cart	2 days	Determination for large particles in dyestuffs (single layer cloth method)	Obsolete

Similar standards

GB/T 23978   GB/T 24164   GB/T 2374   GB/T 5541   GB/T 5540   

Basic data

Standard ID: GB/T 5542-2016 (GB/T5542-2016)
Description (Translated English): Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 10,135
Date of Issue: 6/14/2016
Date of Implementation: 2017-01-01
Older Standard (superseded by this standard): GB/T 5542-2007
Quoted Standard: GB/T 2374-2007; GB/T 6682-2008
Regulation (derived from): National Standard Announcement No. 8 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
Summary: This standard specifies disperse dyes and vat dyes large particle measurement method - single-layer filter cloth filtration. This standard is applicable to the determination of large particles of disperse dyes and vat dyes.

GB/T 5542-2016: Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth

---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.
Dyestuffs - Determination of large particles - Filter method of single layer filter cloth ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Replacing GB/T 5542-2007 Determination of large particles of dyes - Single layer filter cloth filtration method Dyestuffs-Determination oflargeparticles- 2016-06-14 release 2017-01-01 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 instead of GB/T 5542-2007 "Determination of large particles of dyestuff filter filter method", and GB/T 5542-2007 phase In addition to editorial changes, the main technical changes are as follows. - modified the expression of the filter cloth (see Chapter 4, Chapter 4 of the.2007 edition); - modified the expression of the filtration of the disperse dye suspension (see 5.1.2,.2007, 5.1.2); - modified decentralized dye rating method (see 5.1.4,.2007 version 5.1.4); - modified the expression of the filtration of the reduced dye suspension (see 5.2.2,.2007, 5.2.2); - modified the reduction of the dye rating method (see 5.2.4,.2007, 5.2.4); - delete the contents of the release (see Chapter 6 of the.2007 edition); - Added rating cards (see Appendix A, Appendix B). 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 Longsheng Group Co., Ltd., Shenyang Chemical Industry Research Institute Co., Ltd., the national dye quality supervision and inspection center. The main drafters of this standard. Lv Jianjun, Dong Zhongsheng, Zhang Haibin, Ji Lanqin, Chen Weizhang, Wang Yong. This standard replaced the previous version of the standard release. GB 5542-1985, GB/T 5542-2007. Determination of large particles of dyes - Single layer filter cloth filtration method

1 Scope

This standard specifies the determination method of disperse dyes and reducing dyes for large particles - single layer filter cloth filtration method. This standard applies to the determination of disperse dyes and vat 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 Analysis of laboratory water specifications and test methods GB/T 6682-2008

3 principle

Dispersing or reducing the dye into a suspension, then filtering with a single layer filter cloth, filtering the filter cloth according to the prescribed method and drying, the most After the dry filter cloth and the rating card to compare the rating.

4 equipment and materials

Unless otherwise specified, only the reagents identified as analytical reagents and the tertiary water specified in GB/T 6682-2008 are used. Equipment and materials Shall comply with the relevant provisions of Chapter 3 and Chapter 4 of GB/T 2374-2007, including the following. a) funnel. analysis of plastic funnel, can filter the filter cloth material special device; b) suction filter bottle. capacity of 1000mL; c) filter cloth material. according to the nature of the dye, from the following fabric selection. ● 13tex × 13tex, by 410/10cm × weft 360/10cm, pure polyester bleached plain weave fabric; ● 18tex × 18tex, 295 root/10cm × weft 295 root/10cm, cotton bleached plain weave fabric; ● 13tex × 13tex, 433/10cm × weft 299/10cm, (T/C65/35) polyester/cotton blended fabric; d) Polyethylene film. thickness 0.5mm ~ 1mm, an area of 15cm × 30cm; e) electromagnetic stirrer; f) beaker. 250 mL, 500 mL; g) graduated cylinder. 100 mL, 500 mL; h) balance. sense of not more than 0.1g; i) oven; j) laboratory steaming machine. ......

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