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SDS加到铜(Ⅱ)-1.10-二氮菲与铬天青S三元显色体系大大提高了体系的稳定性和灵敏度,本文研究了SDS和其它盐对显色体系的增溶增敏作用。试验部分一仪器与试剂 722型光栅数字分光光度计(上海第三分析仪器厂) Lambda 7紫外可见分光光度计(P.E公司) ZD-2型pH计(上海第二分析仪器厂)。铬备液Cu(Ⅱ):1.00×10~(-2)mol·L~(-1),由CuSO_4·5H_2O(A.R)配制,用时稀释;
SDS added copper (Ⅱ) -1.10-phenanthroline and chrome azurol S ternary color system greatly improved the stability and sensitivity of the system, the SDS and other salts on the sensitization of the chromogenic system sensitization . Experimental part of an instrument and reagent 722 grating digital spectrophotometer (Shanghai Third Analytical Instrument Factory) Lambda 7 UV-visible spectrophotometer (P. E. Company) ZD-2-type pH meter (Shanghai Second Analytical Instrument Factory). Cu (Ⅱ): 1.00 × 10 ~ (-2) mol·L -1, prepared by CuSO_4 · 5H_2O (A.R)