UNE EN ISO 307 : 2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
05-02-2020
14-11-2007
Foreword
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 mass 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 viscosity
number determined in various other solvents
14 Test report
Annex A (normative) - Determination of the concentration of
commercial sulfuric acid [95% (by mass) to 97%
(by mass)] and adjustment to 96% (by mass)
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