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GB/T 1866-2012: Neutral dyes -- Determination of dyeing shade and relative strength
Status: Valid GB/T 1866: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1866-2012 | English | 189 |
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3 days [Need to translate]
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Neutral dyes -- Determination of dyeing shade and relative strength
| Valid |
GB/T 1866-2012
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| GB/T 1866-2003 | English | 239 |
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2 days [Need to translate]
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Neutral dyes -- Determination of dyeing shade and relative strength
| Obsolete |
GB/T 1866-2003
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| GB/T 1866-1980 | English | 199 |
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Unified test method for neutral dyestuff
| Obsolete |
GB/T 1866-1980
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PDF similar to GB/T 1866-2012
Basic data | Standard ID | GB/T 1866-2012 (GB/T1866-2012) | | Description (Translated English) | Neutral dyes -- Determination of dyeing shade and relative strength | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 8,811 | | Older Standard (superseded by this standard) | GB/T 1866-2003 | | Quoted Standard | GB/T 2374-2007; GB/T 6688-2008 | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | 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 neutral shade and intensity of dye staining method. This standard applies to the neutral dye shade and strength. | GB/T 1866-2012: Neutral dyes -- Determination of dyeing shade and relative strength---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.
ICS71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Replacing GB/T 1866-2003
Determination of neutral dyeing shade and relative strength
Issued on. 2012-06-29 2012-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard replaces GB/T 1866-2003 "neutral dyeing shade and relative strength."
This standard compared with GB/T 1866-2003, major technical changes in addition to editorial changes outside as follows.
--- The evaluation of results is incorporated to assess the strength of shade and a clear assessment of the results of the two methods (see 6.4, 2003
Version 6.1.5, 6.2.5 and 6.3.5);
--- Modified polyamide dyeing methods (see 63, 2003 version 6.3.);
--- Modify the content of the test report (see Chapter 7, Chapter 7, 2003 edition).
Please note that some of the content of this document may involve patents. Issued in this document does not assume responsibility for the identification of these patents.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized.
This standard was drafted. Wang Jinhua double-Chemical Co., Ltd., Shenyang Chemical Research Institute Co., Ltd.
The main drafters of this standard. Xu Jiancheng, Yanggui Fang, Tang Peilan Mao Law stipulates.
This standard replaces the standards previously issued as follows.
--- GB 1866-1980, GB/T 1866-2003.
Determination of neutral dyeing shade and relative strength
1 Scope
This standard specifies the method for the determination of neutral dyeing shade and relative strength.
This standard applies to the determination of neutral dyeing shade and relative strength.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
General conditions GB/T 2374-2007 dye assay provisions
Determination of GB/T 6688-2008 dye relative intensity and color of the instrumental method
Principle 3
Neutral dye sample and standard samples in the same species under the same conditions in a variety of fibers (wool, silk or nylon) on stained.
Then staining intensity of the standard sample of 100 points, to shade standard sample as the standard visual comparison, evaluation samples and shade strong
Degrees. Or by the colorimetric color measurement instrument, and then calculate the shade and strength of the sample.
4 Reagents and materials
Reagents and materials shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 3.
5. Apparatus
Instruments and equipment shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 4.
6 Test methods
6.1 wool dyeing method
6.1.1 General Conditions
Dyeing general conditions shall be consistent with the relevant provisions of GB/T 2374-2007 the Select staining methods shall be based on the specific variety, performance, to
To the principle of maximum color strength. Depending on the dyeing depth varieties selected to meet the clear sub-file principle.
6.1.2 dye solution preparation
Weigh the sample and each of a plurality of standard samples g (accurate to 0.0005g), each placed in 400mL beaker were added 20mL ~ 30mL
Hot water (80 ℃ ~ 90 ℃), stirring with a glass rod into a paste, then add about 200mL each hot water (80 ℃ ~ 90 ℃), stirring to make it dissolve
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