nitrate test

Phosphates will show up in nitrate tests although they too should be 0.

Diphenylamine finds niche use as a test for nitrates (see nitrate test).

"Only for the nitrate test.

"Cops haul in the five big Sicilians, find out all of 'em test positive on the nitrate test.

Replies: The simplest way to do analyze for nitrate is to use a commercial "nitrate test kit".

A nitrate test is a chemical test used to determine the presence of nitrate ion in solution.

Finally, perform nitrate test.

For a Silver nitrate test on gastric aspirate, diluted gastric content can be positive.

Nitrate test: similar, but uses concentrated sulfuric acid to test for nitrate ion.

For a thorough analysis, the lab should perform a heavy-metal test, an organic pesticide test, a nitrate test and a bacteria test.

His secretary, brown-bagging it at her desk, obligingly took the message and read it back to Anna: "Ranger Pigeon says to run a nitrate test on Doyce Barnette's hands."

Alternatively, you can do a google search for 'nitrate test kit' and find a large number spanning the range of sophistication and cost to meet your objectives - from test papers to ion specific electrodes.

Above: It's important to use test kits to check your water for early signs of pollution - and this nitrate test kit can usefully be used to test tap water before it's added to the tank.

A common nitrate test, known as the brown ring test can be performed by adding iron(II) sulfate to a solution of a nitrate, then slowly adding concentrated sulphuric acid such that the sulphuric acid forms a layer below the aqueous solution.