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折光法测定单方制剂,简便快速,消耗检品量极少,并能达到快检所需的准确度。血液保养液(ACD)是临床常用的一种复方抗凝剂,其成品如采用折光法对其主成份构橼酸钠作含量测定是困难的。本室在制剂过程中,先将全量枸橼酸钠配成定量浓溶液,用折光法测定枸橼酸钠的含量,避免了其它成份的折光干扰。经实践证明,效果满意,现介绍如下。测定方法一、标准枸橼酸钠二倍液的制备以本室ACD配方(枸橼酸钠1.33g,枸橼酸0.47g,葡萄糖3g,氯霉素.0.01g)为例,按1977年版中国药典法测定构橼酸钠(C_6H_5O_6Na_3·2H_2O)的含量后,各精密
Refraction method to determine one-way preparations, simple and quick, minimal consumption of seized samples, and can achieve the required accuracy of fast inspection. Blood maintenance fluid (ACD) is a commonly used clinical compound anticoagulant, the finished product such as the use of refractive index of its main component of sodium citrate for the determination of content is difficult. The room in the preparation process, the first amount of sodium citrate dubbed quantitative concentrated solution, refractive index of sodium citrate content, to avoid the other components of the refractive interference. The practice has proved that the results are satisfactory, are presented below. Determination of a standard two sodium citrate preparation ACD formula room (sodium citrate 1.33g, citric acid 0.47g, glucose 3g, chloramphenicol 0.01g), for example, according to the 1977 edition of China Pharmacodynamic determination of sodium citrate (C_6H_5O_6Na_3 · 2H_2O) content, the precision