摘要
本文研究了在PH10.5的NH_3片-NH_4Cl缓冲溶液存在下,以Ca(或M_g)-酸性铬兰K-OP为体系,用偏最小二乘分光光度法同时测定合成样中的钙镁。在0～6.4×10^(-5)mol/l范围内Ca、Mg均符合Beer定律,结果表明满足微量分析要求。
This paper studies determining calcium ard magnesium in synthetical sample by partial least sguares spec trophotometric method, under the existing of NHs-NH4CL buffer solution at PH 10. 5, and using acid chrome blue K (ACBK) as color development reagent and surfactant of OP as sensitive reagent. Calcium and magnesium accord with Beer/s law within the linear range of o^6.4×10-5mol/l .The results show that it satisfied the requirement of micro-analysis.
出处
《赣南师范学院学报》
1992年第6期87-92,共6页
Journal of Gannan Teachers' College(Social Science(2))
关键词
偏最小二乘法
分光光度法
钙
镁
测定
partial least sgures (PLS)
spectrophotometry
calcium
magnesium
