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BSI 22/30441165 DC:2022 Edition

BSI 22/30441165 DC:2022 Edition

$13.70

BS ISO 5773. Textiles. Determination of components in flax fibres

Published By Publication Date Number of Pages
BSI 2022 16
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PDF Catalog

PDF Pages PDF Title
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 Aqueous acetic acid solution
7.1.4 Ethanol solution of Hydrochloric acid
7.1.5 Standard stock solution of galacturonic acid
7.1.6 Ethanol solution of carbazole
7.1.7 Aqueous solution of Hydrochloric acid
7.1.8 DNS chromogenic solution
10 7.1.9 Standard stock solution of glucose
7.1.10 Aqueous sulfuric acid solution
7.1.11 Aqueous barium chloride solution
7.1.12 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
7.3.1 Extraction with Acetone
11 7.3.2 Calculation
7.4 Determination of pectin
7.4.1 Development of galacturonic acid standard curve
7.4.2 Extraction of pectin with aqueous ammonium oxalate
12 7.4.3 Precipitation of pectin
7.4.4 Preparation of the testing solution of pectin
7.4.5 Spectrophotometric testing
7.4.6 Calculation
13 7.5 Determination of hemicellulose
7.5.1 Development of glucose standard curve
7.5.2 Hydrolysis and extraction of hemicellulose by hot hydrochloric acid
7.5.3 Spectrophotometric testing
7.5.4 Calculation
14 7.6 Determination of lignin
7.6.1 Sample preparation
7.6.2 Calculation
7.7 Determination of cellulose
7.7.1 Development of glucose standard curve
15 7.7.2 Extraction and hydrolysis of cellulose
7.7.3 Spectrophotometric testing
7.7.4 Calculation
16 8 Test report

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BSI 22/30441165 DC
$13.70