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本文对巯基棉富集、In(Ⅲ)-苯基荧光酮(PF)-溴化十六烷基吡啶(CPB)络合物作了研究。试验表明在CPB存在下的乙酸-乙酸钠缓冲溶液(pH6.5)中,络合物最大吸收位于580nm处,ε=1.15×10~5·珚量在0—20μg/25mL符合比尔定律,络合物可稳定48h。在测定条件下,Ca~(2+)、Mg~(2+)、Ba~(2+)、Pt~(4+)、Au~(3+)、Ag~(1+)Zr~(4+)等不与PF络合。其共存离子允许量(毫
In this paper, the enrichment of sulfhydryl cotton, In (Ⅲ) - phenylfluorone (PF) - cetylpyridinium bromide (CPB) complexes were studied. Experiments showed that in the presence of CPB in acetic acid - sodium acetate buffer solution (pH6.5), the maximum absorption of the complex is located at 580nm, ε = 1.15 × 10 ~ 5 珚 volume in 0-20μg / 25mL Beer’s Law, The compound can be stable for 48h. Under the conditions of determination, Ca2 +, Mg2 +, Ba2 +, Pt4 +, Au3 +, Ag1 + Zr4 +) Do not complex with PF. The coexistence of ion allows the amount (milliwatts