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EN 13405 : 2002
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SURFACE ACTIVE AGENTS - DETERMINATION OF DIALKYL-TETRALINS CONTENT IN LINEAR ALKYLBENZENE BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC)
04-12-2002
Foreword
1 Scope
2 Normative reference
3 Principle
4 Reagents
5 Apparatus
6 Procedure
6.1 Preliminary test
6.2 Calibration
6.3 Determination
7 Calculation
8 Precision
8.1 General
8.2 Repeatability limit
8.3 Reproducibility limit
9 Test report
Annex A (informative) Method of determination of the carbon
number distribution of the LAB sample (UOP Method 673-88)
A.1 General
A.2 Principle
A.3 Reagents
A.4 Apparatus
A.5 Procedure
A.5.1 Chromatographic conditions
A.5.2 Determination
A.5.3 Time for analysis
A.6 Calculations
A.7 Precision
A.7.1 Repeatability
A.7.2 Reproducibility
Bibliography
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