Dissolve the sample in the solution of ammonium acetate,use XO as an indicator and titrate with EDTA to determine the content of (PbCO +ZnCO +ZnO).
Dissolve the sample in the solution of ammonium acetate,use XO as an indicator and titrate with EDTA to determine the content of (PbCO +ZnCO +ZnO).
以％的乙酸铵溶液溶解样品，以XO作指示剂，EDTA滴定，测定（PbCO ＋ZnCO ＋ZnO）含量。