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Pulp, paper and paperboard. Determination of anthraquinone in extracts from pulp, paper and paperboard
This document specifies an analytical test method for the determination of anthraquinone (see Table 1) in water and 95 % ethanol extracts of pulp, paper and board materials and articles intended to come into contact with foodstuffs using a gas chromatograph coupled to a mass spectrometer (GC-MS).
Moreover, acetone extracts of modified polyphenylene oxide (MPPO) that, according to EN 14338, can be used as a simulant to assess the possible transfer/migration of substances from paper and board into dry, non-fatty foodstuffs can be analysed with the method presented here.
This method can be applied to determine anthraquinone in concentrations ranging from 2 µg/l to 40 µg/l in the water and solvent extracts, corresponding to 0,05 mg/kg to 1 mg/kg pulp, paper and board or, respectively, 0,1 µg/dm2 to 2 µg/dm2 in the case of migration tests with MPPO.
The measurement range can be lowered by enriching anthraquinone from the water and solvent extracts.
| Name | Abbreviation | Formula | CAS N° | Structure |
|---|---|---|---|---|
| Anthraquinone | AQ | C14H8O2 | 84-65-1 | xlink:href='t001'> |
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