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Add RXSOL TK9 drop by drop ( by counting ) , mixing with the stirring rod until colour just disappears. Each drop is equivalent to 25 ppm of p-Alkalinity , expressed as CaCO3
:::::::::::::::::::::Alkalinity TEST FOR BOILER & COOLING WATER ::::::::::::::::::::::::
| REAGENT & APPARATUS | |||||||||||||||||||||||||||||||
| Reagent: RXSOL TK 7 , TK 8 , TK 9 , . Apparatus : TEST TUBE , Titrator or DROPPER | |||||||||||||||||||||||||||||||
| A.) PROCEDURE for p-ALKALINITY test ( STEP WISE ) | |||||||||||||||||||||||||||||||
| 1 |
Measure 10 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER |
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| 2 |
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 3rdstep otherwise if sample remains colourless ( Record p-Alkalinity = 0 ) . |
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| 3 |
Add RXSOL TK9 drop by drop ( by counting ) , mixing with the stirring rod until colour just disappears. Each drop is equivalent to 25 ppm of p-Alkalinity , expressed as CaCO3 |
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| RESULT | Each DROPS is equivalent to 25 PPM of p-Alkalinity. | ||||||||||||||||||||||||||||||
| NOTE | p-Alkalinity VALUE = 25 X ( Total Number of DROPS of TK9 , during 3rdstep ) | ||||||||||||||||||||||||||||||
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| C.) PROCEDURE for TOTAL ALKALINITY ( VALUE of A + VALUE of B ) | |||||||||||||||||||||||||||||||
| 2.1 |
Measure 10 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER |
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| 2.2 |
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 3rdstep otherwise if sample remains colourless ( Record p-Alkalinity = 0 ) then proceed to STEP- 4. |
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| 2.3 |
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 |
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| 2.4 | Add 2-3 drops of RXSOL TK8 and mix with stirring rod , the sample will turn to BLUISH-GREEN . | ||||||||||||||||||||||||||||||
| 2.5 |
AddRXSOL TK9 carefully by counting drop by drop and mixing throughly until a light reddish ( salmon ) pink colour develop. |
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| RESULT | Each DROPS is equivalent to 25 PPM of Alkalinity | ||||||||||||||||||||||||||||||
| NOTE |
p-Alkalinity ppm CaCO3VALUE = 25 X ( Total Number of DROPS of TK9 , during 2.3 step ) = X ( Say ) |
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Optimum Result : p-Alkalinity level is between 100 to 150 PPM is suggested. if p-Alkalinity level is more then 150 ppm then level should be reduced by increased BLOW DOWN process with immediate effect. For Below 50 ppm , Dose ½ Ltrs of RXSOL-50-5001-BWT for 1000 Ltrs of BOILER WATER , to maintain p-Alkalinity level 100 ppm. Refill pack : REPLACEMENTS TK7 : ECONOMIC PACK ( 100 / 200 / 500 ml ) available TK8 : ECONOMIC PACK ( 100 / 200 / 500 ml ) available TK9 : ECONOMIC PACK ( 100 / 200 / 500 ml ) available |
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