Ceramic cookware in contact with food — Release of lead and cadmium — Part 1: Method of test
NORMA vydaná dňa 4.12.1986
Označenie normy: ISO 8391-1:1986
Dátum vydania normy: 4.12.1986
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: Applies to ceramic cookware, intended to be used for the preparation of foods by heating. The determination is carried out by extraction of the cookware surfaces with hot acetic acid solution (4 %), and determination of the lead and cadmium extracted by means of the atom absorption spectroscopic method.