GOLD Introduction

Types of Gold :

• 24K - 999 Au
• 22K - 916 Au
• 20K - 835 Au
• 18K - 750 Au
• 9K   - 375 Au
• Low - Fake Gold

Colour of Gold :

• Can be purple, green, rose, white
• e.g. purple gold is one of the trademark in Singapore

White Gold :

1. Platinum (Pt)

• Price is 30% higher than gold price
• Melting point higher than gold

1. White Gold

• Purity: 750 gold plated with rhodium & palladium to make it look white
• Price is higher because FEDMAS not control on it

Characteristic of GOLD :

• Metallic Yellom
• Moldable
• Ductile (Elastic)
• Dense
• High Thermal & Electrical Conductivity

Melting Point:

• Platinum (Pt)  -  1773 C
• Gold (Au)  -  1064 C
• Silver (Ag)  - 962 C

Types of weight :

International standard : Troy Ounce (Oz)

Others : Troy pound, Gram, Mayam

1 Troy Ounce = 31.103 gram

1 Troy Pound = 12 Troy Ounce

Testing Method :

• Gold Acid Test - Hydrochloric Acid
•                         - Sulfuric Acid
• Density Test (solid)
• Atomic Spectrum Meter (Lab)

Factors influence gold price in Malaysia:

• International Gold Price Movement (kitco)
• Currency Exchange Rate ( RM vs USD )