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GB/T 22295-2008 PDF English

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GB/T 22295-2008: Standard test method for color of transparent liquids (Gardner color scale)
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GB/T 22295-2008English189 Add to Cart 3 days [Need to translate] Standard test method for color of transparent liquids (Gardner color scale)

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Basic data

Standard ID GB/T 22295-2008 (GB/T22295-2008)
Description (Translated English) Standard test method for color of transparent liquids (Gardner color scale)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G31
Classification of International Standard 83.080.10
Word Count Estimation 8,828
Date of Issue 2008-08-04
Date of Implementation 2009-04-01
Older Standard (superseded by this standard) GB/T 12007.1-1989
Quoted Standard ASTM D1545-1998; ASTM D6166-1997 (2003); ASTM E308-2006
Adopted Standard ASTM D1544-2004, MOD
Regulation (derived from) National Standard Approval Announcement 2008 No.14 (Total No.127)
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 drying oils, varnish, fatty acids, polymeric fatty acids, resin solution, such as a transparent liquid color measurement method. By comparison with a suitable glass standard color number for color measurement. Users of this standard should have normal color observation. This standard does not involve any safety issues associated with the use. Before use, the user has the responsibility to establish appropriate safety and health practices and compliance with the relevant regulations.

GB/T 22295-2008: Standard test method for color of transparent liquids (Gardner color scale)



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Standard test method for color of transparent liquids (Gardner color scale) ICS 83.080.10 G31 National Standards of People's Republic of China Replacing GB/T 12007.1-1989 Transparent liquid color measurement method (Gardner Color) Posted 2008-08-04 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ASTMD1544-2004 "transparent liquid color measurement method (Gardner Color)" (in English). This standard ASTMD1544-2004 compared to major changes are as follows. --- For ease of use, this standard did some editing of the changes; --- This standard adds a chapter principle; --- The standard delete ASTMD1544 meaning and purpose, its content into the range; --- This standard does not provide the precision data, ASTMD1544-2004 provides precision data; --- This standard adds a chapter test report. This standard replaces GB/T 12007.1-1989 "epoxy Determination of color - Gardner color." This standard compared with GB/T 12007.1-1989 The main changes are as follows. --- Change the standard name; --- Increasing the foreword; --- Original color standard to standard liquid glass is now standard; --- An arrangement of sample and standard are placed to make a claim; --- To make the observation field requirements. Appendix A of this standard and Appendix B is an informative annex. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee of plastic (SAC/TC15) centralized. This standard is drafted by. National Quality Supervision and Inspection Center of synthetic resin. Participated in the drafting of this standard. Bluestar New Chemical Materials Co., Ltd. Wuxi Resin Factory, Anhui Hengyuan Chemical Co., Ltd. The main drafters of this standard. Wangyong Gui, Wang Yan, Mao Yan make Cheng Zhen Shuo. This standard replaces the standards previously issued as follows. --- GB/T 12007.1-1989. Transparent liquid color measurement method (Gardner Color)

1 Scope

This standard specifies the drying oils, varnishes, fatty acids, polymeric fatty acid, a resin solution and other transparent liquid color measurement method, with the appropriate The glass should be compared to the standard color number, for color measurement. Users of this standard should have normal color observation. This standard does not involve any safety issues associated with use. Before use, the user has the responsibility to establish appropriate safety and health measures And in accordance with the relevant regulations.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Test methods for transparent liquid viscosity ASTMD1545-1998 blistering time determined by law. ASTMD6166-1997 (2003) Standard Test Method for products and turpentine (Gardner color) color-related products. Test methods for color of an object ASTME308-2006 estimation CIE system. Principle 3 The sample is placed inside diameter of standard glass tubes, glass and Gardner color visual comparison, the closest to the color of the sample A color reference numerals denote the color of the sample.

4 Instrument

4.1 Glass Standard. 18, each number listed in Table 1 of the chromaticity coordinates transmission coefficient colored number. The only color standard It can be made of glass. Now some standard glass used is not consistent with the values \u200b\u200blisted in Table 1. In the glass before using the standard calibration. Calibration method steps are listed in Appendix A. Table 1 reference standard color specifications Gardner Color Standard Chromaticity coordinates a X0 y Transmission factor Y /% transmission tolerances, ± 1 0.3177 0.3303 807 2 0.3233 0.3352 797 3 0.3329 0.3452 766 4 0.3437 0.3644 755 5 0.3558 0.3840 744 6 0.3767 0.4061 714 7 0.4044 0.4352 674 8 0.4207 0.4498 644 9 0.4343 0.4640 614 ...

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