A.加熱 B.靜止 C.振搖 D.沸騰
A.樣品處理→樣液預(yù)滴→精滴→標(biāo)定堿性酒石酸銅溶液 B.樣品處理→樣液預(yù)滴→預(yù)滴→標(biāo)定堿性酒石酸銅溶液 C.樣品處理→標(biāo)定堿性酒石酸銅溶液→樣液預(yù)滴→精滴 D.樣液預(yù)滴→精滴→樣品處理→標(biāo)定堿性酒石酸銅溶液
A.5009.7 B.5009.8 C.5413.5 D.5409