PN C04570-11-1992 Water and waste water Tests for metals by atomie absorption spectromectry Determination of zinc, copper, lead, cadmium, nickel and cobalt in water with preliminary concentration on a chelating oxamide resine
1992PN C04570-11-1992 Water and waste water Tests for metals by atomie absorption spectromectry Determination of zinc, copper, lead, cadmium, nickel and cobalt in water with preliminary concentration on a chelating oxamide resine