Trainer's Profile

Mr Chang Hon Fong holds a M.Sc. degree in analytical chemistry from University of Bristol, United Kingdom, and has more than 36 years of working experience as a government chemist He joined the Department of Chemistry (DOC), Malaysia in 1978 and promoted to the post of Deputy Director General (DDG, Operations) in 2011 before his retirement in 2014.  Prior to his appointment as the DDG (Operations), he was the Director of Industry and Trade Tariff Classification Division (2006-2010), and the Director of Environmental Health Division (2010-2011). His experience covers all aspects of analytical chemistry with specialisations in quality system management, instrumental techniques of analysis and chemical metrology. During his 36 years of service as a government chemist, he has contributed significantly to the development and advancement of DOC as a leading government laboratory. Among the contributions are the implementation of DOC’s proficiency testing scheme according ISO 17043 standards and requirements; and development of analytical methods using advanced instruments.
Mr Chang was first elected to the Council of Malaysian Institute of Chemistry (IKM) in 2005, and was re-elected in 2008, 2011 and 2014. He was admitted as a Fellow of IKM in 2009 and received the IKM Gold Medal Award in 2013 for his contributions in the development of chemistry profession in Malaysia. He is currently the Honorary Secretary of IKM.
Over the last 15 years, Mr. Chang has conducted numerous training courses and delivered many papers on topics relating to chemical metrology such as method validation and measurement uncertainty. In addition, he is also a qualified lead assessor for ISO 17025 laboratory accreditation scheme since 1997. He served as chairman of many committees in organising seminar/workshops or in activities for promoting valid analytical measurements.
He also represented DOC and IKM in various committees or councils at national level, He was a member of the National Measurement Council from 2008-2011, the chairman of SIRIM ISC B, Technical Committee on General Purpose Chemicals 2005 – 2011 for development of national standards. Since 2011, he represents IKM serving as a member of the Malaysia Accreditation Council (MyNAC) and Malaysia Standard Council (MyNSC).
Madam Ng Pui Wan retired from the Department of Chemistry in October 1999. She is currently working as a Contact Lead and Technical Assessor with the Department of Standards Malaysia (DSM) in the Accreditation Programmes (SAMM - ISO/IEC17025, ISO 15189, Accreditation of Certifying Bodies – ISO/IEC Guide 61, 65, 66). She has acted as a quality consultant to laboratory management system that comply with ISO/IEC 17025. Madam Ng has conducted training in laboratory quality subjects including Management of Laboratory Quality System; ISO/ IEC 17025; Measurement of Uncertainty Based on Eurachem Guide and the IANZ document; Internal Auditing etc. Currently she is a trainer for the Institute Kimia Malaysia (IKM) on the ISO/IEC17025 Module.
Encik Mohammed Arif Baba graduated from the Universiti Sains Malaysia with B. Sc. (Hons). He joined the Chemistry Department in Petaling Jaya and serve many Divisions including Industrial Hygiene Section, Training unit, Environmental Health Divisions and the Analytical Division. During his service, he obtained vast experience in Chemical analysis as well as training laboratory assistants and scientific officers. Prior to his retirement, he was also given the opportunity to undergo training in United States, (AAS) and Japan (Wet and Dry Deposition) in the relevant field. In May 2000, He joined the National Institute of Occupational Safety and Health (NIOSH), in Bangi and was attached to NIOSH as Assistant Manager. He was a qualified Registered Assessor and also a Hygiene Technician (Chemical Monitoring). Besides doing consultancy services, he also conducted training (in-house and scheduled courses) on topics relating to Industrial Hygiene, Chemical Risk Assessment and Safety in the Laboratory.
Mr Pua Hiang is a qualified person in the Laboratory Quality Management System as well as the Occupational Safety and Health Management System. He is currently, a Lead Assessor as well as a Technical Assessor appointed by the Department of Standards Malaysia for the MS ISO/IEC 17025 accreditation scheme and a registered assessor for chemical health risk assessment with the Department of Occupational Safety and Health Malaysia. He is also an Inspector for the American Society of Crime Laboratory Directors/ Laboratory Accreditation Board. Mr. Pua has been chairman as well as member of the SAMM Laboratory Accreditation Evaluation Panel. He has also been members of several Technical Working Groups formed by the Department of Standards Malaysia. Mr. Pua was the Head of Forensic Criminalistics Laboratory of the Department of Chemistry Malaysia when he retired from the department. He is now a senior fellow at the National University of Malaysia (Universiti Kebangsaan Malaysia) lecturing in forensic Science.
Prof Dr Lee Yook Heng obtained his Ph D. on sensor/ biosensor for metal analysis as well as his MSc from Cambridge University, UK. He also obtained a First Class Honours from Universiti Kebangsaan Malaysia (UKM), Sabah. Prof Dr Lee is currently at UKM School of Chemical Sciences and Food Technology and his field of expertise is analytical and bioanalytical chemistry. He has conducted various courses on Techniques of AAS/ ICP – ES, GC Techniques, Laboratory Research Skills, Principle of Instrumental Analysis, Chemical Instrumentation, Water Chemistry, Air and Water Quality, etc. Prof Dr Lee has completed several environmental chemistry research projects as well as research and bioanalytical chemistry and biotechnology. He has receive various research awards comprising bronze, silver and gold medals from UKM, MOSTI and ITEX. Prof Dr Lee’s Research has been publish in many refereed Journals.
Prof Dr Tan Guan Huat is Professor in Analytical Chemistry at the Department of Chemistry, University of Malaya. He has been a lecturer in Analytical Chemistry at the University of Malaya after graduating from Duke University in Durham, North Carolina and was promoted to Professor in 2003.
He has supervised eight PhD and six MSc students and many thesis projects on environmental analysis of organic chemical pollutants in Malaysian waterways and pesticides in fruits and vegetables by using techniques such as GC, GC-MS, HPLC and LC-MS. He is currently supervising two PhD and one MSc student for their theses.

His current research interests focus on the environmental pollution problems in Malaysian waterways as a result of industrialisation and increasing agricultural production in this country. He is also currently doing studies on developing microextraction techniques for analysis of pesticide residues in food matrices such fruits and vegetables coupled to chromatographic techniques.

He has taught many courses on GC, HPLC, GCMS, LCMS and Food Analysis during his career at UM.

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