hello
i have a chemical test for a sample of rocks
can anyone tell me if its test is a definitely result that gold or precious metals are present ?
and the ratio is economic ?
ore is 1 kg
the solution is 500 ml
test with stannous chloride to aqua regia
i have a chemical test for a sample of rocks
can anyone tell me if its test is a definitely result that gold or precious metals are present ?
and the ratio is economic ?
ore is 1 kg
the solution is 500 ml
test with stannous chloride to aqua regia