硫氰酸钾-十二烷基磺酸钠分光光度法测定矿石中钼

Determination of Molybdenum in Ore Samples by Spectrophotometry in Potassium Sulfocyanate-Sodium Dodecyl Sulfate System

摘要: 为使硫氰酸盐分光光度法测定矿石中钼的测定结果更稳定可靠，采用加入阴离子表面活性剂十二烷基磺酸钠的方法，对原实验加以改进。结果表明，采用改进后的方法，即使温度高于30℃时，吸光度值仍可稳定3h以上，且灵敏度有所提高。方法用于国家一级标准物质的测定，结果与标准值相符。

Abstract: A method for the determination of molybdenum in ore samples is modified by adding anionic surfactant of sodium dodecyl sulfonate to the system to obtain more stable and reliable results from potassium sulfocyanate spectrophotometry. The results show that