Inspection of grain and oils—Determination of copper,iron,manganese,zinc,calcium,magnesium in cereals and derived products by atomic absorption and flame spectrophotometry
Inspection of grain and oils—Determination of sodium,mgnesium, kalium, calcium, chromium, manganese, iron, copper, zinc, arsenic, selenium, cadmium and plumbum in cereals and derived products—Iductively cupled pasma-mss sectrometric method