NS EN 15553 : 1ED 2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling and sample handling
8 Apparatus preparation
9 Procedure
10 Calculation
11 Expression of results
12 Precision
   12.1 Repeatability, r
   12.2 Reproducibility, R
13 Test report
Annex A (normative) - Specification for silica gel
Annex B (informative) - Standard adsorption column
Bibliography

Specifies a fluorescent indicator adsorption method for the determination of hydrocarbon types over the concentration ranges from 5% (V/V) to 99% (V/V) aromatic hydrocarbons, 0,3% (V/V) to 55% (V/V) olefinic hydrocarbons, and 1% (V/V) to 95% (V/V) saturated hydrocarbons in petroleum fractions that distil below 315 degrees C.