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- W2388863993 abstract "[Objective] To explore the methods of using chromazurine-UV colorimetry to test aluminium concentration in Xiangsha Liujun Pills. [Method]Through methodological study of the pre-treatment conditions and coloration conditions of samples, chromazurine-hexadecyl trimethyl-ammonium bromide(HTAB) UV method was adopted, and the samples were digested in dry process, extracted by using hydrochloric acid solution, and colorimetric assay of aluminium carried out at p H 5.8-6.2.[Result] Fe and Cu in samples co-form complexes with Phenanthroline for the action of ascorbic acid reducing agents,so they will not influence this method; U,Th, Ta, and Be show more interventions,but rarely exist in common plant samples, so can be neglected. Chlorin, nitrate radical and sulfate radical have no impact on the assaying. The mean recovery rate is 101.8%, RSD 2.5%. [Conclusion] The method is easy to operate, has high sensitivity and limited interventions,so it is suitable for samping assaying with aluminium concentration below10%, and can be used for the quantitative analysis of Xiangsha Liujun Pills." @default.
- W2388863993 created "2016-06-24" @default.
- W2388863993 creator A5068395051 @default.
- W2388863993 date "2014-01-01" @default.
- W2388863993 modified "2023-09-23" @default.
- W2388863993 title "Study on the Methods of Aluminium Assaying in Xiangsha Liujun Pills" @default.
- W2388863993 hasPublicationYear "2014" @default.
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