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Product Short Description: RXSOL TK5 addition will change ORANGE / light reddish colour of sample water. Its reagent comply with TK 6
Product Description:

PROCEDURE for test ( STEP WISE ):

  1. 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.
  2. Add 1-2 drops of  RXSOL TK5 and mix with the stirring rod , to obtain ORANGE / light reddish  colour. 
  3. Add RXSOL TK6  drop by drop , mixing with the stirring rod until  For endpoint ORANGE to BLUE GREENISH colour just appears / develop. 
     

Each DROPS is equivalent to 50 PPM of NO2

CALCULATION : 50 X Number of DROPS of TK6