[Justin_Is_Here (OP)]

I want some reaction based on only above chemicals other than ostwald process.

[Artyom]

I think it's impossible in one step.
Maybe, it will work:
1) In a solution there are , and (). If you'd can remove impurities...
2) Then



3) And then you can make all nitrate salts from .

P.S. But I'm not a chemist.

[chiralSPO]

Any aqueous oxidations of ammonia or ammonium salts I have come across lead to formation of nitrogen gas, not nitrate...

[lightarrow]

Any aqueous oxidations of ammonia or ammonium salts I have come across lead to formation of nitrogen gas, not nitrate...

Then Bacteria have better laboratories:
http://en.wikipedia.org/wiki/Nitrification
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[chiralSPO]

Yes. Enzymes can do remarkable transformations. Unfortunately, as far as I know there is no known way to this reaction in one of our labs...