by Lung Man Tung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1991. / Includes bibliographical references. / ACKNOWLEDGMENT --- p.i / ABSTRACT --- p.ii / Chapter CHAPTER 1 --- GENERAL INTRODUCTION --- p.1 / Chapter 1.1 --- Stationary phases and detectors --- p.2 / Chapter 1.2 --- Internal standardization --- p.5 / Chapter 1.3 --- Common pre-treatment technique --- p.6 / Chapter 1.4 --- Pre-treatment techniques --- p.9 / Chapter 1.5 --- Objectives of this work for the determination of styrene --- p.11 / Chapter CHAPTER 2 --- EXPERIMENTAL --- p.13 / Chapter 2.1 --- Instrumentation --- p.13 / Chapter 2.2 --- Reagents and solutions --- p.16 / Chapter 2.3 --- Preparation of stock solutions --- p.18 / Chapter 2.4 --- Sample preparation --- p.19 / Chapter 2.5 --- Extraction method for food samples --- p.20 / Chapter 2.6 --- Procedure for the analytical finish --- p.22 / Chapter 2.7 --- Assessment of the food matrix effect on the recovery of styrene --- p.23 / Chapter 2.8 --- Confirmatory Procedures --- p.23 / Chapter 2.9 --- Treatment of data --- p.24 / Chapter CHAPTER 3 --- DEVELOPMENT OF METHOD --- p.26 / Chapter 3.1 --- Development of GC method --- p.26 / Chapter 3.2 --- Development of the extraction method --- p.29 / Chapter CHAPTER 4 --- DETERMINATION OF RESIDUAL STYRENE IN POLYSTYRENE POLYMER --- p.50 / Chapter 4.1 --- The proposed method --- p.50 / Chapter 4.2 --- Identification of polymer and one cup for the ice-cream cone --- p.51 / Chapter 4.3 --- Determination of residual styrene monomer in polystyrene container and cup --- p.52 / Chapter CHAPTER 5 --- DETERMINATION OF STYRENE MONOMER MIGRATED INTO FOODSTUFFS --- p.58 / Chapter 5.1 --- Methodolgy and scope --- p.58 / Chapter 5.2 --- Determination of styrene migrated into ice-cream --- p.59 / Chapter 5.3 --- Determination of styrene migrated into Yakult and Yogo --- p.60 / Chapter 5.4 --- Determination of styrene migrated into foodstuff kept at elevated temperature in polystyrene containers --- p.60 / Chapter 5.5 --- Conclusion --- p.74 / REFERENCES --- p.76 / APPENDIX --- p.80
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_318732 |
| Date | January 1991 |
| Contributors | Lung, Man Tung., Chinese University of Hong Kong Graduate School. Division of Chemistry. |
| Publisher | Chinese University of Hong Kong |
| Source Sets | The Chinese University of Hong Kong |
| Language | English |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, [vi], 83 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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