UNI EN ISO 307 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
09-08-2022
01-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation of test samples
8 Calculation of test portion
9 Selection of solvent
10 Procedure
11 Expression of results
12 Repeatability and reproducibility
13 Relationship between the viscosity number
determined in 96% (by mass) sulfuric
acid solution and the viscosity determined
in various solvents
14 Test report
Annex A (informative) - Determination of the
concentration of commercial sulfuric acid
(95% to 98%) and adjustment to 96% by
titration
Annex B (informative) - Determination of the concentration
of sulfuric acid (95% to 98%) and adjustment
to 96% by flow time measurement in a small
capillary viscometer
Annex C (informative) - Determination of the concentration
of commercial formic acid and adjustment to
90% by titration
Annex D (informative) - Determination of the concentration
of commercial formic acid and adjustment to
90% by density measurement
Annex E (informative) - Relationship between the viscosity
number determined in 96% (by mass) sulfuric
acid solution and the viscosity determined in
various solvents
Bibliography
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