Article - 27 Apr 2004
Ami Doduco have released Dodubronce, a new lead-free bronze coating. Properties and appplications (automotive, jewellery and communications) are outlined. Posted April 26 2004
Article - 19 Mar 2004
Ever looked at buying a diamond and wondered what influenced its price. Unravel the mystery of the 4 C's, colour, cut, clarity and carat with AZoM's guide to diamonds. Find out about how colour...
Article - 17 Feb 2004
Tin/Silver alloys were developed as solders as an alternative to lead-containing solders. Their properties and applications are outlined.
Article - 13 Feb 2004
Gold palladium alloys are primarily used in jewellery, where they are known as white gold. Some compositions are provided for palladium containing white gold. Other uses such as dentistry are also...
Article - 16 Aug 2003
Sapphires are well known gem stones. The stages in their processing, such as grading, heat treatment and marketing are discussed. Characteristics and colours are also mentioned.
Article - 29 Nov 2002
The trends for gold across the world for the second quarter of 2002 are reported. Demand for investment and indutrial gold are reported as well as quantities traded. Affects of economic and industrial...
Article - 6 Jun 2002
Gutta percha is a form of natural rubber introduced to the west in 1843. It was used for wire insulation for submarine telephone cales, golf balls and jewellery making. It has few uses today except in...
Article - 28 Mar 2002
In 1803, Wollaston discovered the palladium metal. It occurs along with other metals belonging to the platinum group in Placer deposits in Australia, Russia, Ethiopia, North America, and South...
Article - 11 Feb 2002
Platinum, with its unique physical and chemical properties, is used in a wide variety of industrial and environmental applications. It is also regarded as one of the finest, among all jewelry metals.
Article - 23 Jul 2001
Platinum (Pt) was discovered by Ulloa in 1735 and Wood in 1741. Platinum occurs as such naturally, together with negligible amounts of palladium, iridium, rhodium, osmium, and ruthenium.