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薄层离子交换树脂光度法测定水中痕量磷
Determination of Trace Phosphorus in Water by Thin Layer Ion Exchange
【摘要】 利用积分球装置,将吸附了磷钼蓝的阴离子交换树脂制成一薄层片,于700 nm 波长处测定吸光值,既保持了填充树脂光度法的高灵敏度,又提高了分析的精密性。用于水样中μg/L级或更低含量磷的测定,效果较好
【Abstract】 With integrating ball, thin layer ion exchanger was made by phosphorus molybdenum blud adsorbed resin. Determination was made at 700 nm, with high sensitivity and high accuracy. Phosphorus at μg/L level or lower was successfully detected.
【关键词】 磷;
薄层;
离子交换树脂;
光度法;
地面水;
【Key words】 Phosphorus; Thin layer; Ion exchange resin; Spectrophotometry; Surface water;
【Key words】 Phosphorus; Thin layer; Ion exchange resin; Spectrophotometry; Surface water;
- 【文献出处】 环境监测管理与技术 ,THE ADMINISTRATION AND TECHNIQUE OF ENVIRONMENTAL MONITORING , 编辑部邮箱 ,1999年05期
- 【分类号】O657.32
- 【被引频次】2
- 【下载频次】41