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Direct determination of lead in aerosol by slurry AAS.January 1999 (has links)
Kin-Fai Ho. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves [61-66]). / Abstracts in English and Chinese. / Contents / ACKNOWLEDGMENT / ABSTRACT / Chapter CHAPTER 1 --- INTRODUCTION / Chapter 1.1 --- Air Pollution in Hong Kong / Chapter 1.2 --- Brief introduction of Particulate Matter / Chapter 1.2.1 --- Total suspended particulates / Chapter 1.2.2 --- Respirable suspended particulates / Chapter 1.2.3 --- PM2.5 / Chapter 1.3 --- Lead in Air Particulate and its Harmful Effects on Human / Chapter 1.4 --- Air Sampling / Chapter 1.5 --- Sample Treatment / Chapter 1.5.1 --- Acid digestion method / Chapter 1.5.2 --- Slurry sampling method / Chapter 1.5.3 --- Comparison between acid digestion and slurry sampling method / Chapter 1.5.4 --- Chemical modification / Chapter CHAPTER 2 --- EXPERIMENTAL / Chapter 2.1 --- Apparatus / Chapter 2.2 --- Instrumental analysis / Chapter 2.2.1 --- Electrothermal atomic absorption spectrometry / Chapter 2.2.2 --- Background correction by the Zeeman effect / Chapter 2.3 --- Reagents / Chapter 2.4 --- Procedure / Chapter 2.4.1 --- Collection of air sample / Chapter 2.4.2 --- Treatment of sample collected on filter / Chapter 2.4.2.1 --- Digestion Procedure / Chapter 2.4.2.2 --- Procedure for Slurry Preparation / Chapter 2.4.3 --- Temperature program employed / Chapter 2.4.4 --- Sample introduction / Chapter 2.4.5 --- Determination of Lead in PM 2.5 by Acid Digestion Method / Chapter 2.4.6 --- Determination of Lead in PM 2.5 by Developed Method / Chapter 2.4.7 --- Study of particle size and suspension behavior of PM 2.5 in solvent / Chapter CHAPTER 3 --- RESULTS AND DISCUSSION / Chapter 3.1 --- Choice of filter for air sampling / Chapter 3.2 --- Choice of Solvents for Suspension of Air Particulates / Chapter 3.3 --- Ultrasonic agitation / Chapter 3.4 --- Effect of the sonication time / Chapter 3.5 --- Particle size and Effect of stabilization agents / Chapter 3.6 --- Effect of acid predigestion of the slurry sample / Chapter 3.7 --- Chemical Modification / Chapter 3.7.1 --- Use palladium as chemical modifier / Chapter 3.7.2 --- Amount of chemical modifier / Chapter 3.7.3 --- Effect of nitric acid / Chapter 3.8 --- Optimization of the graphite furnace temperature / Chapter 3.9 --- Effect of using platform / Chapter 3.10 --- Sample injection volume / Chapter 3.11 --- Recovery study of Lead in PM2.5 / Chapter 3.12 --- The limit of detection and precision of the developed method / Chapter CHAPTER 4 --- CONCLUSION / APPENDIX / REFERENCES
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Indoor air quality improvement: a case study of the transformation of an industrial buildingYau, Cheong-hung, Kent., 游昌鴻. January 2006 (has links)
published_or_final_version / Housing Management / Master / Master of Housing Management
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The impact and remedies to air pollution from joss burners in Hong KongChan, Kin-shing., 陳堅誠. January 2007 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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A review of Hong Kong building design and town planning policies to improve air qualityMok, Siu-kin., 莫肇堅. January 2005 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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Air pollution control and economic activities: the case of Hong KongTse, Chin-wan., 謝展寰. January 1986 (has links)
published_or_final_version / Urban Studies / Master / Master of Social Sciences
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Environmental tobacco smoke and wellbeingNanwani, Shalini Suresh. January 2003 (has links)
published_or_final_version / Medical Sciences / Master / Master of Medical Sciences
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Contamination by lead and other trace metals in roadside soil and vegetation in Hong KongTai, Keen-man., 戴健文. January 1982 (has links)
published_or_final_version / Botany / Master / Master of Philosophy
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A review of the management of the dredging silt/sand from Hong Kong watersLau, Shing-cheong., 劉勝昌. January 2003 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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The potential for using biomonitoring in the Hong Kong marine environmentYu, Pui-shan., 余珮珊. January 1996 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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Odour nuisance from restaurants and its controlSo, Tak-wing., 蘇德榮. January 1993 (has links)
published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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