B.S. Audit

[ 1 ] - USE OF TITANIUM AND TUNGSTEN AS AN ALTERNATIVE TO GOLD IN JEWELLERY MANUFACTURING

In this study the use titanium and tungsten as alternatives to the noble metals in the jewellery industry was investigated. The degradation of titanium and tungsten were compared to that of gold, used as reference. Alternate immersion tests were performed in 3.5% sodium chloride and artificial perspiration. The metals’ abrasion resistance with respect to textile fabrics was determined. ...