Page 336 - Analytical method for food addtives

E520–3, E541, E554–9, E573: Aluminium 225

10 11
9

Spectroscopic method with 8-hydroxyquinoline extraction and AAS method with nitrous oxide– acetylene flame Spectroscopic method with 8-hydroxyquinoline extraction absorbance measured at 385 nm and AAS method with nitrous oxide– acetylene flame Measurements performed on ARL 3410+ sequential ICP spectrometer with Minitorc

Sample digested with H 2 SO 4 + HNO 3 + HClO 4 . Solutions of destroyed samples kept in polyethylene Sample digested with H 2 SO 4 + HNO 3 + HClO 4 . Solutions of destroyed samples kept in polyethylene Microwave digestion with HNO 3 , H 2 O 2 and HF. Lyophilised samples were digested in closed vessels with HNO 3 an

bottles
bottles

Seafood and meat

Foods Foods

Spectroscopic and FAAS Spectrophoto- metric oxine (SO) and FAAS ICP-AES