gold digger

hello again I was wandering if i am able to purify ammonia from liquid NH4Cl, or if there is some way i can dry it? the solution i use only contain 5 - 15 % ammonia, so i got some problems when i was trying out the process. The comments for the question mention stripping ammonia from a water in a digestate of a Biogas plant. Ammonia can be removed from waste streams by steam or air stripping after adding NaOH to suppress formation of ammonium ions. (http://chemistry.stackexchange.com/questions/174/why-is-distillation-not-a-viable-way-to-seperate-ammonia-from-water) Is it possible to add NaHO to the solution and boil off the water, then use the dry chemical or do another step, so i can use it?

Thanks for quick response and good information. Now i'm one step closer to dissolve some gold

Thanks for info I'm new to chemistry, but if i heat up chalk in a steel tube, could i use that to dry the gas?

I have scraped this idea, and thinking i'm gonna try out the "ostwalt process" instead. But can someone tell me about the drying step, is this necessary? Calcium oxide is pretty hard to find where i live.

Hey I am trying to make some nitric acid by mixing potassium nitrate(impure source), hydrochloric acid(30%) and copper. I start by dissolving potassium nitrate in warm water, then adding the hydrochloric acid and copper. But there is no reaction. i think it may be because of the impurity in the potassium nitrate. The potassium nitrate source is mixed with Potassium perchlorate and Barium nitrate. If this is the case, can somebody tell me how i can purify the potassium nitrate?