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Copper sample for checking the 9ct / White fluid

Copper sample for checking the 9ct / White fluid

Ref: copper-sample


Price: 0.60 Including VAT

Quantity:  


Not sure how the 9ct / White testing fluid should react on 'base' metal?

Your acid is getting old and you want to check the reaction time?

You think you might have some low-carat gold (under 9ct) and want to compare the reaction times with 'base' metal.
Or, similarly, you think you might have high-zinc 9ct, similar reaction to gold, you need a sample of copper to compare.

This is a sample of 'base' metal and we know exactly what it is made of: 95% copper, 4% tin, 1% zinc.

Supplied in a pouch with an instruction sticker.

Of course, if you have a suitable coin (it MUST be made of copper!!) and don't need the pouch or instructions, then you don't need to buy one of these.