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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Simultaneous determination of some active ingredients in pharmaceutical preparations by gas-liquid chromatography.

January 1994 (has links)
by Leung Yun-to, Ada. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 114-115). / Acknowledgment --- p.i / Abstract --- p.ii / Chapter 1. --- INTRODUCTION / Chapter 1.1 --- Review of gas-liquid chromatographic and other chromatographic techniques --- p.1 / Chapter 1.2 --- "Structures, actions and uses of the drugs under study" --- p.5 / Chapter 1.3 --- Research objectives --- p.10 / Chapter 2. --- INSTRUMENTATION AND THEORY / Chapter 2.1 --- Instrumentation for gas chromatography --- p.11 / Chapter 2.2 --- Basic principles in chromatography --- p.23 / Chapter 3. --- EXPERIMENTAL / Chapter 3.1 --- Instrumentation --- p.27 / Chapter 3.2 --- "The counter-check GC method for camphor, menthol and methyl salicylate" --- p.29 / Chapter 3.3 --- The counter-check HPLC method for thymol --- p.29 / Chapter 3.4 --- The counter-check HPLC method for phenol --- p.30 / Chapter 3.5 --- The counter-check HPLC method for benzoic acid --- p.31 / Chapter 3.6 --- The counter-check HPLC method for salicylic acid --- p.32 / Chapter 3.7 --- Reagents --- p.33 / Chapter 3.8 --- Sample preparation --- p.34 / Chapter 3.9 --- "Quantitative determination of benzoic acid, camphor, menthol, methyl salicylate, phenol, salicylic acid and thymol in various pharmaceutical preparations" --- p.35 / Chapter 4. --- RESULTS AND DISCUSSION / Chapter 4.1 --- Choice of column --- p.36 / Chapter 4.2 --- Optimization of chromatographic conditions --- p.44 / Chapter 4.3 --- Choice of solvent --- p.51 / Chapter 4.4 --- Calibration --- p.59 / Chapter 4.5 --- Reproducibility of the GC measurements --- p.95 / Chapter 4.6 --- Recovery test and precision studies --- p.96 / Chapter 4.7 --- Simultaneous determination of the drugs under study in various pharmaceutical preparations --- p.100 / Chapter 5. --- CONCLUSION --- p.113 / Chapter 6. --- REFERENCES --- p.114
2

Capillary electroseparations in pharmaceutical analysis of basic drugs and related substances /

Enlund, Anna Maria, January 1900 (has links) (PDF)
Diss. (sammanfattning) Uppsala : Univ., 2001. / Härtill 5 uppsatser.
3

A voltammetric study of some active ingredients in cough drugs.

January 1987 (has links)
by Lau Yick Ki. / Thesis (M.Ph.)--Chinese University of Hong Kong, 1987. / Includes bibliographies.
4

Study on the effective contents of trace elements in Chinese mineral drugs.

January 1998 (has links)
by Leung Ho-yin. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references. / Abstract also in Chinese. / Acknowledgement --- p.i / Abstract --- p.ii / Table of Contents --- p.iv / List of Tables and Figures --- p.v / Chapter Chapter 1 --- Introduction --- p.1 / Chapter Chapter 2 --- Methodology --- p.12 / Chapter Chapter 3 --- Experimental --- p.17 / Chapter 3.1 --- Sample Collection --- p.17 / Chapter 3.2 --- Preliminary Sample Treatment --- p.18 / Chapter 3.3 --- Dissolution Test Apparatus --- p.18 / Chapter 3.4 --- Reagents --- p.20 / Chapter 3.5 --- ICP Experimental Conditions --- p.21 / Chapter Chapter 4 --- Determination of Total Contents in Chinese Mineral Drugs --- p.28 / Chapter 4.1 --- Procedure --- p.28 / Chapter 4.2 --- Results --- p.39 / Chapter Chapter 5 --- Determination of the Effective Contents --- p.51 / Chapter 5.1 --- General Procedure --- p.51 / Chapter 5.2 --- Results --- p.52 / Chapter Chapter 6 --- Recovery Test for Dissolution --- p.77 / Chapter 6.1 --- General Procedure --- p.77 / Chapter 6.2 --- Results --- p.78 / Chapter Chapter 7 --- Discussion --- p.80 / Chapter 7.1 --- The Presence of Toxic Elements in many CMD --- p.80 / Chapter 7.2 --- Mass of Samples Added in the Dissolution --- p.80 / Chapter 7.3 --- Height of the Dissolution Paddle of the Dissolution --- p.81 / Chapter 7.4 --- Particle Sizes of the Sample in the Dissolution --- p.83 / Chapter 7.5 --- The Total and the Effective Contents --- p.83 / Chapter 7.6 --- Discussion for each CMD --- p.84 / Chapter 7.7 --- Conclusion --- p.103 / Appendix English 一 Chinese table of CMD --- p.108

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