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BS ISO 5773:2023

BS ISO 5773:2023

$102.76

Textiles. Determination of components in flax fibres

Published By Publication Date Number of Pages
BSI 2023 16
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
8 6 Apparatus
9 7 Test procedure
7.1 Preparation of standard solutions
7.1.1 Aqueous ammonium oxalate solutions
7.1.2 Aqueous sodium hydroxide solution
7.1.3 Ethanol solution of Hydrochloric acid
7.1.4 Standard stock solution of galacturonic acid
7.1.5 Ethanol solution of carbazole
7.1.6 Aqueous solution of Hydrochloric acid
7.1.7 DNS chromogenic solution
7.1.8 Standard stock solution of glucose
10 7.1.9 Aqueous sulfuric acid solution
7.1.10 Aqueous barium chloride solution
7.1.11 Anthrone solution in sulfuric acid
7.2 Sampling and preparation of test specimens
7.2.1 Sampling
7.2.2 Preparation of test specimen
7.3 Determination of fat and wax content
7.3.1 Extraction with acetone
7.3.2 Calculation
11 7.4 Determination of pectin content
7.4.1 Development of galacturonic acid standard curve
7.4.2 Extraction of pectin with aqueous ammonium oxalate
7.4.3 Precipitation of pectin
12 7.4.4 Preparation of the testing solution of pectin
7.4.5 Spectrophotometric testing
7.4.6 Calculation
7.5 Determination of hemicellulose content
7.5.1 Development of glucose standard curve
7.5.2 Hydrolysis and extraction of hemicellulose by hot hydrochloric acid
13 7.5.3 Spectrophotometric testing
7.5.4 Calculation
7.6 Determination of lignin content
7.6.1 Test specimen preparation
14 7.6.2 Calculation
7.7 Determination of cellulose content
7.7.1 Development of glucose standard curve
7.7.2 Extraction and hydrolysis of cellulose
15 7.7.3 Spectrophotometric testing
7.7.4 Calculation
8 Test report

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BS ISO 5773:2023
$102.76