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Professional Areas:

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Type of Assessor

Test Areas / Inspection Field


Dr CHAN Siu Chung, Joe


HOKLAS Assessor

Toys and Children’s Products: Chemical Testing

Food: Material and Articles in Contact with Foodstuff

Chemical Testing: Toxic Elements, Organic Residues, Cadmium, Nickel release, Azo dyes

Construction material: Chemical analysis of construction material

Chinese Medicine: Analysis of Chinese Materia Medica sample based on HKCMM standard. Determination of Heavy Metals, Ash, Pesticide Residues, Water Content, Extractives, Assay and Chromatographic Fingerprinting

Environmental Testing: Physical examination, non-metallic, trace metals and organic pollutants in clear water, waste water, saline water and soil/sediment/biota

IAQ: NOx and formaldehyde analysis