butcher said:Mining supply here sells small bottles $$$.
Check hydroponic supplies they may have dilute nitric acid for fertilizer.
Jewelers supply may have small bottles for testing.
Action mining
http://www.actionmining.com/
Chemical supply houses like UNIVAR (? spelling) major cities usually business license needed to buy, but large volume good prices, deposit on drums also.
Make your own sodium or potassium Nitrate fertilizer, and sulfuric acid (NAPA auto parts, or drain cleaner).
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