Standard No.:	FZ/T 50018-2013
English Name:	Determination of the protein content of the protein viscose fiber
Chinese Name:	蛋白粘胶纤维蛋白质含量试验方法
Chinese Classification:	W50    Chemical fibre in general
Professional Classification:	FZ    Professional Standard - Textile
ICS Classification:	59.060.20 59.060.20    Man-made fibres 59.060.20
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2013-10-17
Implemented on:	2014-3-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1 business day

Determination of the protein content of the protein viscose fiber 1 Scope This standard specifies two test methods for determining the protein content in the protein viscose fiber, including Method A - Kjeldahl method and Method B - sodium hypochlorite method. This standard is applicable to the determination of protein content in protein viscose fiber. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 601 Chemical reagent - Preparations of reference titration solutions GB/T 4146.1 Textiles - Man-made fibres - Part 1: Generic names GB/T 4146.3 Textiles - Man-made fibers - Part 3: Terms of inspection GB/T 6502 Sampling method of man-made filament yarns GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 14334 Sampling method for man-made staple fibres 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 4146.1 and GB/T 4146.3 and the following apply. 3.1 protein content of the protein viscose fiber mass fraction of protein in protein viscose fiber   4 Test methods 4.1 Method A (Kjeldahl method)

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Test methods 5 Test report