Copperass Bay and Gunpowder - industrial chemist needed

[maxi77]

These give more information on the processing and use of copperas in the past and interestingly today as well

http://www.eng-h.gov.uk/archcom/projects/summarys/html97_8/2059.htm

http://www.cefic.be/Templates/shwAssocDetails.asp?NID=473&HID=27&ID=51