UNI EN 14981 : 2007
Current
The latest, up-to-date edition.
SURFACE ACTIVE AGENTS - DETERMINATION OF CONTENT OF HIGH BOILING SOLVENTS IN LIQUID DETERGENTS BY GLC
01-11-2007
Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling and preparation of the sample
8 Procedure
8.1 Gas chromatographic conditions
8.2 Preparation of solutions
8.2.1 Solvent reference solution 1
8.2.2 Solvent reference solution 2
8.2.3 Stock solution for calibrations
8.2.4 Carvone internal standard solution
8.3 Calibration
8.4 Sample analysis
8.4.1 Solvent identification
8.4.2 Solvent quantification
9 Calculation and expression of results
10 Precision
10.1 Repeatability limit
10.2 Reproducibility limit
11 Test report
Annex A (informative) Examples of chromatogram
A.1 Solvent identification
A.2 Solvent quantification
Annex B (informative) Statistical and other data derived
from the results of inter-laboratory tests
Bibliography
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