GOLD TESTING KIT. GOLD TESTING ACID
Gold testing acid to be used with the gold test stone (touchstone assay)
The acids are available in comfortable packs of 10 pcs, in the following types:
– Gold testing acid for touchstone testing of 9 gold Kt,
– Gold testing acid for touchstone testing of 14 gold Kt,
– Gold testing acid for touchstone testing of 18 gold Kt,
– Gold testing acid for touchstone testing of 22 gold Kt,
– Silver testing kit. Silver acid of silver,
– S/steel testing kit. silver acid of s/steel.