Abstract:
<正> 矿石中微量铋的测定多采用硫脲比色法,但灵敏度较低。近年来,虽采用三元络合物体系,但仍难于直接测定矿石中低于ppm级的铋。原子吸收光谱法测定矿石中铋灵敏度虽较高,但干扰严重,需采用分离方法,使铋与大量基体元素分离。催化极谱法测定矿石中铋也有报导,但Cu、Pb、Zn、Fe等干扰严重,亦需通过分离消除干扰。我们曾采用
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分析化学
ISSN: 0253-3820
CN: 22-1125/O6
Year: 1986
Issue: 03
Page: 229-231
1 . 2 0 0
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