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GB/T 9338-2008: Fluorescent whitening agents -- Determination of relative whiteness -- Instrumental measurement
Status: Valid GB/T 9338: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 9338-2008 | English | 189 |
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Fluorescent whitening agents -- Determination of relative whiteness -- Instrumental measurement
| Valid |
GB/T 9338-2008
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| GB/T 9338-1988 | English | 199 |
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Method of instrumental measurement of whiteness of fluorescent whitening agents
| Obsolete |
GB/T 9338-1988
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PDF similar to GB/T 9338-2008
Basic data | Standard ID | GB/T 9338-2008 (GB/T9338-2008) | | Description (Translated English) | Fluorescent whitening agents -- Determination of relative whiteness -- Instrumental measurement | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 8,853 | | Date of Issue | 2008-09-18 | | Date of Implementation | 2009-05-01 | | Older Standard (superseded by this standard) | GB/T 9338-1988 | | Adopted Standard | ISO 105-J02-1997, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.16 (Total No.129) | | 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 method for measuring the relative fluorescent whitening whiteness on textiles. This standard applies to the determination of the relative whiteness of fluorescent brighteners in textiles. This standard applies only to the relative evaluation purposes. The formula is only a sample application called " white" commercial. | GB/T 9338-2008: Fluorescent whitening agents -- Determination of relative whiteness -- Instrumental measurement
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Fluorescent whitening agents. Determination of relative whiteness. Instrumental measurement
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Replacing GB/T 9338-1988
Fluorescent brightener relative whiteness measurement instrument method
(ISO 105-J02.1997, Textiles-Testsforcolourfastness-PartJ02. Instrumental
assessmentofrelativewhiteness, MOD)
Posted 2008-09-18
2009-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts the International Standard ISO 105-J02.1997 "Textiles - Tests for color fastness - Part J02. whiteness meter
Assessment. "
The standard 105-J02 and ISO .1997 The differences are as follows.
--- Standard format editorial changes;
--- ISO Appendix A 105-J02, there is provided a formula for C 1931 color illumination and observer data, standard edition
No part of this registration.
This standard replaces GB/T 9338-1988 "fluorescent whitening whiteness measurement method (instrument method)."
This standard and GB/T 9338-1988 compared to the main changes are as follows.
--- The standard specification for the name "fluorescent brightener relative whiteness measuring instrument Law" (1988 version of the standard name, Excerpts
standard name);
--- Subject content and scope of the "fluorescent whiteness" is replaced by "relative whiteness" (1988 version of Chapter 1, the standard edition
Chapter 1);
--- Increasing the scope of whiteness formula, namely 40 < W10 < 5Y10-280 and -4 < TW, 10 < +2 (Excerpts
Chapter 7);
--- Increasing the content of the test report (Chapter 8 of this edition).
Appendix A of this standard informative annex.
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. Shenyang Chemical Research Institute, Shenyang Cai Pu Technology Co., Ltd.
The main drafters of this standard. Ji Qin Lan, Li Qin.
The standard standard replaces the previous editions.
--- GB/T 9338-1988.
Fluorescent brightener relative whiteness measurement instrument method
1 Scope
This standard specifies the method for measuring the relative fluorescent whitening whiteness on textiles.
This standard applies to the determination of the relative brightness of the fluorescent whitening agent on textiles.
This standard applies only to the relative evaluation purposes. Application of calculation formula is limited to a sample called "white" commercially.
2 Terms and definitions
The following terms and definitions apply to this standard.
2.1
Is a fluorescent dye, under UV irradiation, can stimulate the blue, purple and yellow on a substrate having complementary whitening effect.
[GB/T 6687-2006 of 2.21].
2.2
For determining whether the color of an object close to the ideal white attributes available whiteness or whiteness index representation.
2.3
White represents the value of the material tend to shade most affected radiation or reflection wavelength.
2.4
β (λ) =
2.5
In the three-color system, and the amount of test color stimuli color stimuli reach three reference color matching required. [GB/T 5698-2001 in
4.23]
NOTE. In the XYZ color system, the use of [X], [Y], [Z] tristimulus values. In X10Y10Z10 color system, using [X10], [Y10], [Z10] three spines
Shock value.
2.6
Tristimulus values \u200b\u200bwith each of them and the ratio.
In the XYZ color system by the tristimulus values \u200b\u200bX, Y, Z coordinates can be considered excellent x, y, z.
For X10, Y10, Z10 color system, the chromaticity coordinates x0 10, y 10, z 10. [GB/T 5698-2001 of 4.39]
X0 = XX + Y + Z
, X0 10 = X10X10 + Y10 + Z10
Y = YX + Y + Z
, Y 10 = Y10X10 + Y10 + Z10
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