Nitrite Test Reagent TK - 5 Nov 13, 2024 0 comment blog Nitrite Test Reagent TK - 5 PROCEDURE for test ( STEP WISE ): Measure 1 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER , with the help of syringe / pippet and diluted with Distilled Water up to 10 ml. Add 1-2 drops o. Description: PROCEDURE for test ( STEP WISE ): Details