GB/T 4146-1984
Replaced
FZ/T 50037-2017
Active
Industry standards-Textiles
FZ/T 50037-2017 Test method for degree of deacetylation of chitosan fibers
FZ/T 50037-2017 Test method for degree of deacetylation of chitosan fibers
Basic Information
Standard Code:
FZ/T 50037-2017
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical fibers
ICS Name:
Artificial fibers
Publish Date:
2017-11-07
Implement Date:
2018-04-01
Pages:
6 pages
Scope
This standard specifies the test methods for the degree of deacetylation of chitosan fibers. It includes Method A - Colloidal titration method and Method B - Acid-base titration method. This standard is applicable to chitosan fibers spun from chitosan as the raw material.
Development Information
Referenced Standards
GB/T 2910.1-2009 Textiles—Quantitative chemical analysis—Part 1:General principles of testing
GB/T 6503-2001 Test method for moisture regain in synthetic filament yarns
GB/T 6503-2008 Testing method for moisture regain of man-made fibres
GB/T 6503-2017 Man-made fibres—Test method of moisture regain
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
Related Standards
GB/T 6509-1986
Replaced
GB/T 6509-1986 Method for determination of low molecular weight compounds content in polyamide 6
GB/T 9997-1988
Replaced
GB/T 9997-1988 Man-made fibres—Determination of breaking strength and elongation of individual fibres
GB/T 14334-1993
Replaced
GB/T 14334-1993 Sampling method of synthetic staple fibres
GB/T 14335-1993
Replaced
GB/T 14335-1993 Testing method for linear density of synthetic staple fibres
GB/T 14336-1993
Replaced