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.
 

Rick & Carrie

Prospectors Rick & Carrie of Geotech Analytical
Joined
Jan 30, 2022
Messages
101
Location
OR
Great post. This is the grade of post that fellow prospectors should be posting here for all of us to learn from.

Sincerely; Rick, "The Rockman".
 
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