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
