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在萃取进有机溶剂之后用原子吸收分光计检测微量钙的方法已用来研究磷酸及其盐中微量钙的测定。钙的萃取用羟基喹啉类络合物,萃取物引进火焰,并测定钙的原子吸收。pH、试剂浓度和若干种离子对萃取的影响都进行了研究。
The method for the determination of trace amounts of calcium by atomic absorption spectrophotometry after extraction into organic solvents has been used to study the determination of trace amounts of calcium in phosphoric acid and its salts. Extraction of calcium Using a quinolinol complex, the extract is introduced into a flame and the atomic absorption of calcium is determined. The effects of pH, reagent concentration and extraction on several ions were studied.