双乙醛草酰二肼直接快速光度法测定食品中痕量铜
司文会, 印天寿
Rapid and direct methord for spectrophotometric determination of Copper with Bisacetaldehyde Oxalydihdrazine
SI Wen-Hui, YIN Tian-Shou
食品科学 . 1998, (5): 44 -46 .