Standard No.:	FZ/T 50013-2008
English Name:	Method for the determination of whiteness of viscose fibres-diffuse blue reflection factor
Chinese Name:	纤维素化学纤维白度试验方法 蓝光漫反射因数法
Chinese Classification:	W50    Chemical fibre in general
Professional Classification:	FZ    Professional Standard - Textile
ICS Classification:	59.060.01 59.060.01    Textile fibres in general 59.060.01
Issued by:	NDRC
Issued on:	2008-02-01
Implemented on:	2008-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the method for the determination of whiteness of viscose fibres - diffuse blue reflectance factor. This standard is applicable to viscose fibres, to which other types of fibre may refer. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 8170 Rules for Rounding off of Numberical Values GB/T 14334-2006 Sampling Method for Man-made Staple Fibres JJG 512 Verification Regulation of the Whiteness Meter

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Theory 5 Apparatus 6 Sampling 7 Testing Procedure 8 Result Calculation 9 Testing Report