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Application of Zinc. S.5D Ng Hoi Yi (12) Pang Sze Yan (15) Tong Hoi Yi (22). Industrial use Medical use Biological Use. Industrial Use. 1) An anti-corrosion agent (most commonly) Galvanization (55%) U sed on … ... chain-link fencing guard rails suspension bridges
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Application of Zinc S.5D Ng Hoi Yi (12) Pang Sze Yan (15) Tong Hoi Yi (22)
Industrial use • Medical use • Biological Use
Industrial Use 1) An anti-corrosion agent (most commonly) • Galvanization(55%) • Used on … ... chain-link fencing guard rails suspension bridges lightposts metal roofs heat exchangersHot-dip handrail galvanized crystalline surface car bodies
Industrial Use 2) An efficient sacrificial anode in cathodic protection • Acts as the anode • Protect metals that are exposed to sea water from corrosion iron T-Bolt without/with cathodic protection
Industrial Use 3) Alloy (Brass) • More ductile and stronger • Superior corrosion resistance • Useful in … … communication equipment hardware musical instruments water valves Cast brass microstructure at magnification 400x
Industrial Use 4) Zinc-air batteries • Electro-chemical batteries • High energy densities • Relatively inexpensive to produce • Useful in … … electric vehicle propulsion Zinc -air button cell film camera
Medical Use 1) Dietary supplement • Single tablet over-the-counter daily vitamin & mineral supplements • Protect against … … accelerated aging of the skin muscles of the body • Speed up the healing process
Medical Use 2) Cure diseases • Effective treatment for … … Age-related macular degeneration(老年黃斑點病變) Acrodermatitis enteropathica • Protect against … … Diaper rash(尿布疹) Sunburn & Windburn
Biological Use 1) Enzyme • A useful catalytic agent • Necessary for … ... plants animals microorganisms • Coordinate to the amino acid side chains of … … aspartic acid glutamic acid cysteine and histidine.
Biological Use 2) In human body • 2–4 grams distributing throughout the human body brainmuscle boneskidney liverprostate parts of the eye.