SSH ENV 12498:1997

Letër dhe karton - Letër dhe karton që mund të jetë në kontakt me ushqimet - Përcaktimi i kadmiumit. plumbit dhe kromit në ekstrakt ujor

Paper and board - Paper and board intended to come into contact with foodstuffs - Determination of cadmium, lead and chromium in an aqueous extract

Scope

This European Prestandard is one in a series of prestandards for the determination of heavy metals in an aqueous extract of paper or paperboard intended for contact with food. This European Prestandard specifies the test method for the determination of cadmium, lead and total chromium in an aqueous extract. It is applicable to paper and paperboard with extractable metal contents exceeding: - 0,1 mg per kg for cadmium; - 0,6 mg per kg for lead;- 2,0 mg per kg for total chromium.