GB/T 6688-2008 English PDF

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GB/T 6688-2008: Dyestuffs -- Determination of relative strength and color difference -- Instrumental method
Status: Valid

GB/T 6688: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6688-2008	259	Add to Cart	3 days	Dyestuffs -- Determination of relative strength and color difference -- Instrumental method	Valid
GB/T 6688-1986	199	Add to Cart	2 days	Determination of relative strength of dyes (Instrumental method)	Obsolete

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Basic data

Standard ID: GB/T 6688-2008 (GB/T6688-2008)
Description (Translated English): Dyestuffs -- Determination of relative strength and color difference -- Instrumental method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 11,179
Date of Issue: 2008-09-18
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 6688-1986; GB/T 6689-1986
Quoted Standard: GB/T 2374-2007; GB/T 3977-2008; GB/T 3978-2008; GB/T 3979-2008; GB/T 4841.3-2006
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 determination of the relative intensity of the standard instrument and method of non-fluorescent color dyes in textiles when methods. This standard applies to the determination of the use of color measurement instrument with standard non-fluorescent dye and color as well as the relative intensity of the color dye in textiles when performed.

GB/T 6688-2008: Dyestuffs -- Determination of relative strength and color difference -- Instrumental method

---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 relative strength and color difference. Instrumental method ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Replacing GB/T 6688-1986, GB/T 6689-1986 Determination of the relative intensity of the dye and the color of the instrumental method 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 standard replaces GB , measured GB/T 6689-1986 "dye color of T 6688-1986" dye relative intensity measuring instrument law "/ Given instrument law. " This standard and GB/T 6688-1986, GB/T 6689-1986 compared to the main changes are as follows. --- The standard incorporates GB/T 6688-1986 and GB/T 6689-1986 (GB/T 6688-1986 and GB/T 6689- 1986 title, the title of this standard); 6.4.2); --- Increasing the content of the test report (Chapter 7 of this edition). 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 Cai Pu Technology Co., Ltd., Shenyang Chemical Research Institute. The main drafters of this standard. Li Qin, Kiran piano. The standard standard replaces the previous editions. --- GB/T 6688-1986; --- GB/T 6689-1986. Determination of the relative intensity of the dye and the color of the instrumental method

1 Scope

This standard specifies the determination of standard samples and the relative intensity of the color of the instrumental method of non-fluorescent dye to a textile method. This standard applies to the use of color-measuring instruments for non-fluorescent dyes in textiles with the standard samples and the relative intensity of the color and the chromatic aberration points Determination.

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. General conditions GB/T 2374-2007 Determination of dyes provisions GB/T 3977-2008 color representation GB/T 3978-2008 standard lighting and geometric conditions Methods of measurement GB/T 3979-2008 object colors GB/T 4841.3-2006 standard depth dyeing color cards 2/1,1/2,1/3,1/6,1/12,1/25

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Selective absorption in the visible part of a substance called pigment. Where dyeing objects have a certain affinity, may adopt appropriate methods Dye fixation, and has a certain color fastness pigment called dyes. [GB/T 6687-2006 2.1]. 3.2 Known as the intensity of the dye. Empowerment represents a dye the dyed color dye ratio standards with respect to the color-imparting ability. Usually dyed When in equal depth of color, dye standard sample and the amount of the sample, expressed as a percentage. [GB/T 6687-2006 of 6.7]. 3.3 Color quantify the perceived differences. Represented by ΔE. [GB/T 5698-2001 of 4.62]. 3.4 Two color difference is calculated between the stimulus. [GB/T 5698-2001 of 4.63].

4 Equipment and Materials

Equipment and materials shall comply with the relevant provisions of GB 2374-2007/T. Color measurement instruments. shall comply with GB/T 3979-2008 of. ......

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