Paper and board. Paper and board intended to come into contact with foodstuffs. Determination of aluminium in aqueous extracts

Paper and board. Paper and board intended to come into contact with foodstuffs. Determination of aluminium in aqueous extracts

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1   Scope

This document specifies a test method for the determination of aluminium in aqueous extracts.
It is applicable to paper and board with extractable aluminium content of at least 0,2 mg/l.
Aluminium extract levels below those given can be measured using this document if sensitive equipment is available and if all other laboratory conditions fulfil the requirements for trace element analysis.