SN EN ISO 15753 : 2006 AMD 1 2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling
8 Sample preparation
9 Procedure for determination of PAHs from fats and oils:
   General method
   9.1 Preliminary remarks
   9.2 Blank
   9.3 Determination of recovery values (without matrix)
   9.4 Extraction (liquid/liquid extraction)
   9.5 Purification on C18-bonded phase cartridge
        (solid/liquid extraction)
   9.6 Purification on Florisil-bonded phase cartridge
        (solid/liquid extraction)
10 Procedure for determination of PAHs from fats and
   oils: Method specific for coconut oil
   10.1 First extraction (liquid/liquid extraction)
   10.2 Second extraction (liquid/liquid extraction)
   10.3 Purification on C18-bonded phase cartridge
        (solid/liquid extraction)
   10.4 Purification on Florisil-bonded phase cartridge
        (solid/liquid extraction)
11 High-performance liquid chromatography (HPLC)
   11.1 Operating conditions
   11.2 Detection parameters
   11.3 Analysis of samples and standards
   11.4 Confirmation of the presence of PAHs
12 Expression of results
13 Precision
   13.1 Interlaboratory test
   13.2 Repeatability
   13.3 Reproducibility
14 Test report
Annex A (informative) Recovery values, flow charts,
        chromatograms and injection sequences
Annex B (informative) Results of the interlaboratory test
Bibliography

States two methods for the determination of 15 polycyclic aromatic hydrocarbons (PAHs) in animal and vegetable fats and oils: - a general method, and - a method specific for coconut oil and vegetable oils with short-chain fatty acids.