1. Derby WG (1917) Furnace methods of assaying for gold and silver. In: Scott WW (ed) Standard methods of chemical analysis. Van Nostrand, New Yrok, pp 739–775
2. Davis JR (1998) Metals handbook. ASM International, Materials Park, pp 624–628
3. Corti CW (2001) Assaying of gold jewellery: choice of technique. Gold Technol 32:20–30
4. Brill M (1997) Analysis of carat gold. Gold Technol 22:10–25
5. Marucco A, Stankiewicz W (1998) Development of an XRF spectrometry analytical method for gold determination in gold jewellery alloys. Gold Technol 24:14–22