摘要
本文研究了DCS—偶氮胂作为钙络合滴定指示剂的可能性,提出了判断指示剂在等当点前后颜色变化的新判据——颜色指数。该判据简便适用。
The probability on the DCS-arsenazo as chelometric indicator for calcium is studied. The colour index is proposed as a new discrminatioa on colour variation of indictor at equivalent point.The discrimination is practical and determinable.
出处
《湖北师范学院学报(自然科学版)》
1991年第1期1-7,共7页
Journal of Hubei Normal University(Natural Science)
关键词
钙
DCS-偶氮胂
指示剂
calcium, DCS-arsenazo, chelometric-indicator