FZ/T 50013-2008 English PDF

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FZ/T 50013-2008: Method for the determination of whiteness of viscose fibres. Diffuse blue reflection factor
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
FZ/T 50013-2008	159	Add to Cart	3 days	Method for the determination of whiteness of viscose fibres. Diffuse blue reflection factor	Valid

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GB/T 43015   GB/T 39026   FZ/T 50014   FZ/T 50010.13   FZ/T 50010.5   FZ/T 50010.3   

Basic data

Standard ID: FZ/T 50013-2008 (FZ/T50013-2008)
Description (Translated English): Method for the determination of whiteness of viscose fibres. Diffuse blue reflection factor
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W50
Classification of International Standard: 59.060.01
Word Count Estimation: 6,620
Date of Issue: 2008-02-01
Date of Implementation: 2008-07-01
Quoted Standard: GB/T 8170; GB/T 14334-2006; JJG 512
Regulation (derived from): NDRC Notice No. 11 of 2008
Issuing agency(ies): National Development and Reform Commission of the People's Republic of China
Summary: This standard specifies the chemical cellulose fiber whiteness test methods diffuse blue reflectance factor method. This standard applies to cellulose chemical fiber, can refer to other types of fibers used.

FZ/T 50013-2008: Method for the determination of whiteness of viscose fibres. Diffuse blue reflection factor

---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.
Method for the determination of whiteness of viscose fibres. Diffuse blue reflection factor ICS 59.060.01 W50 People's Republic of China textile industry standards Chemical fiber cellulose White Test Method Diffuse blue reflectance factor method Posted 2008-02-01 2008-07-01 implementation National Development and Reform Commission, People's Republic of China released

Foreword

The standard reference FZ/T 50010.7-1998 "viscose fiber pulp whiteness Determination", GB/T 14463-1993 "VSF Dimension "Testing method of whiteness. The standard proposed by China Textile Industry Association. This standard by the Shanghai textile industry technical supervision of the centralized. This standard was drafted. Hubei Golden Ring Co., Ltd., Shanghai textile industry technical supervision. The main drafters of this standard. Chen Hui, Lu Zhijian, Xia Jian Qin, Wang Fuquan, Chen Min. This standard was first published. Chemical fiber cellulose White Test Method Diffuse blue reflectance factor method

1 Scope

This standard specifies the chemical cellulose fiber whiteness test methods --- diffuse blue reflectance factor method. This standard applies to chemical cellulose fibers, other types of fiber can refer to use.

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. GB/T 8170 numerical rounding rules GB/T 14334-2006 chemical fiber staple sampling method JJG512 white meter verification procedures

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 The percentage of radiation flux reflected from an object under the same conditions are completely diffuse reflector of the reflected radiation flux. 3.2 R∞ Thickness of the specimen with the thickness of the diffuse reflection factor does not increase when the reflection factor improvement. 3.3 R457 Having reflection characteristics specified in this standard within a meter at a wavelength of 457nm blue light reflection factor under conditions determined. Principle 4 Analog D65 light source, the use of diffusion/vertical lighting conditions of observation, measuring the diffuse chemical cellulose fiber main wavelength 457nm blue Factor (%), its value represents whiteness measurement results.

5 Instruments

5.1 White Tester 5.1.1 geometry 5.1.1.1 ball to diffuse the sample diffuse lighting. Ball diameter of not less than 100mm, the sum of pore area is not more than the ball inside the ball the whole reflection 10% of the area of the ball. ......

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