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Norm
ÖNORM EN 12766-2
Issue date: 2002 01 01
Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation of polychlorinated biphenyl (PCB) content
This standard specifies two calculation procedures (¿method A¿ and ¿method B¿) for PCB content. The
basis for this quantification is taken from the chromatographic resul...
Valid
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 24 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
This standard specifies two calculation procedures (¿method A¿ and ¿method B¿) for PCB content. The
basis for this quantification is taken from the chromatographic results of EN 12766-1:2000 in which all
necessary experimental procedures are described for the specific analysis of unused, used and treated
(e.g. dechlorinated) petroleum products including synthetic lubricating oils and mixtures of vegetable oils.
The method is also applicable to petroleum products and synthetic lubricating oils suitably recovered from
other materials, e.g. from waste materials. Both methods have different strengths and weaknesses which
are described in the next paragraphs and which must be considered before use in a specific application.
Proper application of either method A or method B needs to be carefully considered before use in a
specific application.
Using method A, special care needs to be exercised to avoid interferences from non PCB substances
which may occur in the chromatogram. Therefore, method A can be used predominantly for the analysis
of used and unused insulating oils. It is recommended not to use calculation method A without special
precautions for other than above-mentioned products. Calculation method A can produce two alternative
sets of results, (¿All Probables¿ and ¿All Possibles¿). Therefore, care needs to be taken in order to
interpret these results in the correct manner.
Method B uses as intermediate result the sum of six congeners, which belong to the most abundant in
almost all technical PCB materials, thereby minimizing potential interferences from other (coeluting) non
PCB substances. To obtain the PCB content, the intermediate sum from six congeners needs to be
multiplied by a multiplication factor. Calculation Method B can be used predominantly for the analysis of
liquids from used and waste materials of unknown origin and for samples with low PCB contents.
ÖNORM EN 12766-2
2002 01 01
Petroleum products and used oils - Determination of PCBs and related products - Part 2: Calculation ...
Norm
↖
Norm
Issue date :
2000 09 01
Petroleum products and used oils - Determination of PCBs and related products - Part 1: Separation and determination of selected PCB congeners by gas chromatography (GC) using an electron capture detector (ECD)
Norm
Issue date :
2007 04 01
Petroleum products - Determination and application of precision data in relation to methods of test (ISO 4259:2006)
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