TS 722-1969 CHEMICAL ANALYSIS OF ALUMINIUM AND ?TS ALLOYS PHOTOMETRIC DETERMINATION OF COPPER (Oxalyldihydrazide method applicable to copper content bet\vecn 0.002 and 0,8 %)
1969TS 722-1969 CHEMICAL ANALYSIS OF ALUMINIUM AND ?TS ALLOYS PHOTOMETRIC DETERMINATION OF COPPER (Oxalyldihydrazide method applicable to copper content bet\vecn 0.002 and 0,8 %)