HCL replacement

[sayf]

Hey guy , is it possible to use nacl (table salt) with nitric acid instead of hcl to make aqua regia , its just a thought

 

[FrugalRefiner]

I've never seen that question, but I can't see why it wouldn't work. Often, people use hydrochloric acid (HCl) and sodium nitrate (NaNO₃) to create "poor man's" AR. Using table salt (NaCl) and nitric acid (HNO₃) results in all the same ions being in solution.

Dave

 

[sayf]

Yeah the result of such a reaction will be hydrochloric acid and sodium nitrate
i dont know if i need to try that

 

[butcher]

It is commonly called the SSN leaching process ...

 

[FrugalRefiner]

I believe the reaction will be sodium ions (Na⁺) and chloride ions (Cl^-) from the salt, and hydrogen ions (H⁺) and nitrate ions (NO₃^-) from the nitric acid. That's the same result as combining sodium nitrate with hydrochloric acid.

Usually the sodium nitrate and hydrochloric acid approach is used because of availability and cost. But if nitric acid is more available to you, it should produce the same result.

I'm open to correction from anyone who sees what I may be missing.

Dave

 

[FrugalRefiner]

It is commonly called the SSN leaching process ...

Head smack icon here!

Funny how it seems so different when asked in a different way.

Butcher, you are a genius.

Dave

 

[sayf]

well , tests are done
i firstly tested the solution on gold plated copper pins and it completly dissolved them , no foils are left .
i secondly tested that to dissolve the gold in IC's ashes and every thing went well after filtration and killing the free nitric i successfuly precipitated the dissolved gold
Thanks every one