2009TCVN 8126-2009 Foods.Determination of lead, cadmium, zinc, copper, and iron.Atomic absorption spectrophotometry after microwave digestion
2008TCVN 1980-1988 Canned foods.Determination of iron content by photometric method
TCVN 1980-1988 Canned foods.Determination of iron content by photometric method was changed to TCVN 8126-2009 Foods.Determination of lead, cadmium, zinc, copper, and iron.Atomic absorption spectrophotometry after microwave digestion.