PREN 933-9 : DRAFT 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
07-01-2009
01-12-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Reagents
6 Apparatus
7 Preparation of test portions
8 Procedure
8.1 Description of the stain test
8.2 Preparation of suspension
8.3 Determination of the quantity of dye adsorbed
9 Calculation and expression of results
10 Test report
10.1 Required data
10.2 Optional data
Annex A (normative) Procedure for the determination of the
methylene blue value (MB[F]) of the 0/0,125 mm fraction
Annex B (informative) Test of conformity in relation to a
specified MB value
Annex C (normative) Preparation of 10 g/l methylene blue solution
Annex D (normative) Procedure for the determination of the
methylene blue value of kaolinite (MB[K])
Annex E (informative) Example of a test data sheet
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