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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: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5542-2016 | English | 199 |
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Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth
| Valid |
GB/T 5542-2016
|
| GB/T 5542-2007 | English | 239 |
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Dyestuffs -- Determination of large particles -- Filter method of single layer filter cloth
| Obsolete |
GB/T 5542-2007
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| GB/T 5542-1985 | English | 239 |
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Determination for large particles in dyestuffs (single layer cloth method)
| Obsolete |
GB/T 5542-1985
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PDF similar to GB/T 5542-2016
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Count Estimation | 10,135 | | Date of Issue | 6/14/2016 | | Date of Implementation | 2017-01-01 | | Older Standard (superseded by this standard) | GB/T 5542-2007 | | Quoted Standard | GB/T 2374-2007; GB/T 6682-2008 | | Regulation (derived from) | National Standard Announcement No. 8 of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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