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ASTM F 2260 : 2003 : R2012 : EDT 1

ASTM F 2260 : 2003 : R2012 : EDT 1

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Determining Degree of Deacetylation in Chitosan Salts by Proton Nuclear Magnetic Resonance (1H NMR) Spectroscopy

Available format(s)

Hardcopy , PDF

Superseded date

29-08-2020

Language(s)

English

Published date

01-10-2012

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 13.01, 2015 Describes the degree of deacetylation in chitosan and chitosan salts intended for use in biomedical and pharmaceutical applications as well as in Tissue Engineered Medical Products (TEMPs) by high-resolution proton NMR ([1]H NMR).

1.1This test method covers the determination of the degree of deacetylation in chitosan and chitosan salts intended for use in biomedical and pharmaceutical applications as well as in Tissue Engineered Medical Products (TEMPs) by high-resolution proton NMR (1H NMR). A guide for the characterization of chitosan salts has been published as Guide F2103.

1.2The test method is applicable for determining the degree of deacetylation (% DA) of chitosan chloride and chitosan glutamate salts and is valid for % DA values from 50 up to and including 99. It is simple, rapid, and suitable for routine use. Knowledge of the degree of deacetylation is important for an understanding of the functionality of chitosan salts in TEMP formulations and applications. This test method will assist end users in choosing the correct chitosan for their particular application. Chitosan salts may have utility in drug delivery applications, as a scaffold or matrix material, and in cell and tissue encapsulation applications.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Committee
F 04
DocumentType
Test Method
Pages
6
ProductNote
Reconfirmed EDT 1
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM F 2027 : 2016 Standard Guide for Characterization and Testing of Raw or Starting Materials for Tissue-Engineered Medical Products

ASTM F 2103 : 2011-03 GUIDE FOR CHARACTERIZATION AND TESTING OF CHITOSAN SALTS AS STARTING MATERIALS INTENDED FOR USE IN BIOMEDICAL AND TISSUE-ENGINEERED MEDICAL PRODUCT APPLICATIONS

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PDF - English
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