BS ISO 2596:2006
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
06-30-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Method 1 - Gravimetric method
3.1 Principle
3.2 Reagents
3.3 Apparatus
3.4 Sampling and samples
3.4.1 Laboratory sample
3.4.2 Preparation of test sample
3.5 Procedure
3.5.1 Apparatus conditioning
3.5.2 System checks
3.5.3 Blank test
3.5.4 Check test
3.5.5 Determination
3.6 Expression of results
3.6.1 Calculation of hygroscopic moisture content
3.6.2 Hygroscopic moisture correction of analytical
test portion mass
4 Method 2 - Karl Fischer volumetric method
4.1 Principle
4.2 Reagents
4.3 Apparatus
4.4 Sampling and samples
4.4.1 Laboratory sample
4.4.2 Preparation of test sample
4.5 Procedure
4.5.1 Conditioning of drying tube
4.5.2 Preparation of titration unit
4.5.3 Titration
4.5.4 Blank test
4.5.5 Check test
4.5.6 Determination
4.6 Expression of results
4.6.1 Calculation of hygroscopic moisture content
4.6.2 Hygroscopic moisture correction of analytical
test portion mass
5 Method 3 - Karl Fischer coulometric method
5.1 Principle
5.2 Reagents
5.3 Apparatus
5.4 Sampling and samples
5.4.1 Laboratory sample
5.4.2 Preparation of test sample
5.5 Procedure
5.5.1 Preparation of titration unit
5.5.2 Conditioning of drying tube
5.5.3 Blank test
5.5.4 Check test
5.5.5 Determination
5.6 Expression of results
5.6.1 Calculation of hygroscopic moisture content
5.6.2 Hygroscopic moisture correction of analytical
test-portion mass
6 Method 4 - Mass-loss method
6.1 Principle
6.2 Reagents
6.3 Apparatus
6.4 Sampling and samples
6.4.1 Laboratory sample
6.4.2 Preparation of test sample
6.5 Procedure
6.5.1 Apparatus conditioning
6.5.2 Check test
6.5.3 Determination
6.6 Expression of results
6.6.1 Calculation of hygroscopic moisture content
6.6.2 Hygroscopic moisture correction of analytical
test portion mass
Annex A (informative) Gravimetric and Karl Fischer apparatus
Annex B (informative) Drying tube
Annex C (informative) Titanium absorption tube
Annex D (informative) Volumetric titration cell
Annex E (informative) Coulometric titration cell
Annex F (informative) Modified weighing chamber apparatus
Annex G (informative) Modified weighing chamber
Annex H (informative) Parcher equipment
Bibliography
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