Article - 20 Jul 2001
Gold is most widely known as a precious metal due to its high lustre and chemical inertness. It is also used for coinage, ornaments, jewellery, gilding, textile industry, radiation control,...
Article - 24 Apr 2008
This paper describes a technique that utilizes a microspectrophotometer to quantify the color of gemstone with greater accuracy and precision than the human eye or a standard spectrophotometer. It...
Article - 23 Apr 2007
Carbolite manufactures a range of high-quality laboratory and industrial furnaces including crucible furnaces for the precious metals market.
Article - 30 Jun 2006
Ruthenium is a hard silvery white metal at room temperature. It is a member of the platinum group metals. The discovery, occurrence, properties and applications of ruthenium are outlined.
Article - 6 Sep 2004
The effects of anodising of titanium alloys are briefly outlined. Acid and alkaline anodising processes arealso compared and the effect of oxide film thickness on colour is described.
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.