Description
REAGENT:-NITRITE, CHLORIDE , pH, ALKALINITY
Technical Bulletin
Label
REAGENT:-NITRITE, CHLORIDE , pH, ALKALINITY
LABEL PROPERTY
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
CHLORIDE PROCEDURE for test ( STEP WISE ):-
1.Measure 15 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER
2.Add 1-2 drops of RXSOL TK1 and mix with the stirring rod , If sample turns red / PINK then follows 3rd step otherwise if sample remains colourless proceed to step 4.
3.Add RXSOL TK2 drop by drop , mixing with the stirring rod until colour just disappears.
4.Add 3 drops of RXSOL TK3 and mix with stirring rod , the sample will turn YELLOW.
5.AddRXSOL TK4 carefully by counting drop by drop and mixing throughly until a light reddish / pink / brown colour develop.