目的比较滴定法和紫外分光光度(U V)法在测定附子总生物碱中差异,探讨适宜附子总生物碱的含量测定方法。
Objective To analyze the differences in the determination of total alkaloids from Radix Aconiti Lateralis Preparata by Titration and UV, and investigate the suitable determination method.
方法用硝酸钍滴定法、测铁分光光度法、测磷分光光度法及高压液相色谱法对不同样品植酸含量进行测定。
Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.
本文探讨了FDNB、紫外分光光度法、甲醛反应滴定法、粘度法测定明胶水解程度的可能性,并对他们作了一定的研究。
In this paper, FDNB method, UV-spectrophotometry, Formaldehyde reaction-titration method and Viscometry were tried to use in measuring the gelatin hydrolysis degree in the process of the reaction.
采用分光光度法测量镀锌添加剂中edta的含量,并与配位滴定法测得的同种样品中EDTA的含量接近。
Spectrophotometry was used to determine the content of EDTA in additives for Zn plating, and the test result with this method is similar to that with complex titration.
结果酸碱直接滴定法测得的结果比亚硝酸钠法、紫外分光光度法测得的结果偏高,但无统计学差异(P〉0.05)。
The content determined by acid-base titration was higher than those by UV spectrum and sodium nitrite, but they didn't have statistical significance(P0.05).
采用紫外可见分光光度法检测了DNA的纯度,采用荧光滴定法研究了铅离子对DNA构象的影响。
The purity of DNA was detected by UV-vis spectrophotometry and the influence of lead ions on DNA conformation was researched by fluorescence titration.
定性检测采取紫外分光光度法,定量检测采取两相滴定法。
Methods used were UV spectrophotometry for qualitative analysis and diphasic titration for quantitative analysis.
定性检测采取紫外分光光度法,定量检测采取两相滴定法。
Methods used were UV spectrophotometry for qualitative analysis and diphasic titration for quantitative analysis.
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