EJ/T 272.1-1985 Analytical method for cadmium in uranium mining and metallurgy wastewater was changed to GB/T 7471-1987 Water quality--Determination of cadmium--Spectrophotometric method with dithizone.
EJ/T 272.1-1985 Analytical method for cadmium in uranium mining and metallurgy wastewater was changed to GB/T 7475-1987 Water quality--Determination of copper, zinc, lead and cadmium--Atomic absorption spectrometry.
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