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MUSCAT CHEMICAL TAG::
REAGENT:-NITRITE, CHLORIDE , pH, ALKALINITY
Procdure:-
NITRITE 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 of RXSOL TK5 and mix with the stirring rod , to obtain ORANGE / light reddish colour.
-
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 ):-
- Measure 15 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER
- 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.
- Add RXSOL TK2 drop by drop , mixing with the stirring rod until colour just disappears.
- Add 3 drops of RXSOL TK3 and mix with stirring rod , the sample will turn YELLOW.
- AddRXSOL TK4 carefully by counting drop by drop and mixing throughly until a light reddish / pink / brown colour develop.
RESULT :- Each DROPS is equivalent to 8 PPM of CHLORIDES .
PROCEDURE for TOTAL ALKALINITY:-
Measure 10 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER
Add 1-2 drops of RXSOL TK7 and mix with the stirring rod , If sample turns red / PINK ( which indicates presence of p-Alkalinity ) then follows 3rd step otherwise if sample remains colourless ( Record p-Alkalinity = 0 ) then proceed to STEP- 4.
Add RXSOL TK9 drop by drop ( by counting ) , mixing with the stirring rod until colour just disappears. Each drop is equivalent to 15 ppm of p-Alkalinity , expressed as CaCO3
Add 2-3 drops of RXSOL TK8 and mix with stirring rod , the sample will turn to BLUISH-GREEN .
AddRXSOL TK9 carefully by counting drop by drop and mixing throughly until a light reddish ( salmon ) pink colour develop.
RESULT:-Each DROPS is equivalent to 25 PPM of Alkalinity
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REAGENT:-NITRITE, CHLORIDE , pH, ALKALINITY