PN C04570-04-1992 Waler and waste water Tests for melals by atomie absorption spectrometry Determination of zinc, cupper, lead, cadmium, nickel, cobalt, iron and manganese in water with preliminary concer.tration by chelation and extraction
1992PN C04570-04-1992 Waler and waste water Tests for melals by atomie absorption spectrometry Determination of zinc, cupper, lead, cadmium, nickel, cobalt, iron and manganese in water with preliminary concer.tration by chelation and extraction