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据文献,测定复方黄连素注射液的含量可采用HPLC法、分光光度—比色法、萃取非水滴定—比色法。本文采用联立方程组新解法,旨在建立简便、直接、不需分离的含量测定方法,便于生产中质量控制。 1.仪器和试药 1.1 仪器:WFZ-800D_3A分光光度计(北京第二光学仪器厂),751-GW分光光度计(上海分析仪器厂),IBMPC100计算机。 1.2 试药:硫酸氢黄连素对照液(以下简
According to the literature, the content of compound berberine injection can be determined by HPLC, spectrophotometry-colorimetry, and extraction non-aqueous titration-colorimetry. This paper adopts the new solution method of simultaneous equations, aiming to establish a simple, direct and non-separation determination method, which is convenient for quality control in production. 1. Instruments and reagents 1.1 Instrument: WFZ-800D_3A spectrophotometer (Beijing Second Optical Instrument Factory), 751-GW spectrophotometer (Shanghai Analytical Instrument Factory), IBMPC100 computer. 1.2 Drug test: Hydrogen sulfate berberine control solution (the following