Quick Qualitative Testing of Rocks and Ore

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Richard NL

Well-known member
Joined
May 31, 2012
Messages
98
Location
Netherlands
Really old fashioned blowpipe: https://www.youtube.com/watch?v=MYvixboVvYk&index=79&list=PL11BF37F092BB1C16

Best regards,
Richard.

Dec.26 2014 edit to add a piece of history: the hare-clarke controversy over the improved gas blowpipe. http://www.scs.illinois.edu/~mainzv/HIST/bulletin_open_access/v26-2/v26-2%20p106-111.pdf
 

yasin1987

Active member
Joined
Dec 3, 2020
Messages
42
It turns red or purple when iodide is poured into a solution containing hydrochloric acid.
Although palladium can be harvested with potassium iodide, I do not think it is a good way to test.
 

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