Control is by simple  boiler water tests or RX CLEANSERS  can provide a suitable test  kits for this purpose.

Used in low pressure and auxillary boilers

:::::::::::::::::::::Alkalinity  TEST FOR BOILER & COOLING WATER ::::::::::::::::::::::::

REAGENT & APPARATUS :
Reagent:  RXSOL TK 7 , TK 8 , TK 9 , . Apparatus : TEST TUBE , Titrator or DROPPER

PROCEDURE for p-ALKALINITY  test ( STEP WISE ):

1. Measure 10 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER
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 3^rd step otherwise if sample remains colourless ( Record p-Alkalinity = 0 ) .
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

RESULT  : Each DROPS is equivalent to  25 PPM of Alkalinity .

NOTE :    p-Alkalinity VALUE  =  25 X ( Total Number of DROPS of TK9 , during 3^rdstep  )

PROCEDURE for p-ALKALINITY  & TOTAL ALKALINITY ( STEP WISE ):

1. Measure 10 ml of SAMPLE WATER in graduated TEST TUBE / CYLINDER
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 3^rd step otherwise if sample remains colourless ( Record p-Alkalinity = 0 ) then proceed to STEP- 4.
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
4. Add 2-3 drops of RXSOL TK8 and mix with stirring rod , the sample will turn to BLUISH-GREEN .
5. AddRXSOL TK9 carefully by counting drop by drop and mixing throughly until a light reddish  pink  colour develop.

RESULT  : Each DROPS is equivalent to 25 PPM of Alkalinity .

NOTE :    p-Alkalinity ppm CaCO₃VALUE ( A )  =  25 X ( Total Number of DROPS of TK9 , during 3^rdstep  )

Total Alkalinity ppm CaCO₃VALUE  =  A +  { 25 X ( Total Number of DROPS of TK9 , during 5^th step  )}

How to dose One Shot Universal Liquitreat to your BOILER?

Continuously dose diluted RXSOL One Shot Corrosion treatment  to the feedwater line downstream of the feedwater recirculation offtake, which returns water to the hotwell or cascade tank. If there is no feedwater recirculation, dose continuously to the feed pump suction. A less preferred method is a gravity feed flow meter arrangement because volatiles can be lost as recirculated water is returned to the hotwell or cascade tank. If a gravity feed flow meter arrangement is used, the dosage point should be to the hotwell or cascade tank. The chemical feed line should extend below the normal water level (approximately 1 meter) and as close to the feed pump suction as possible.

RXSOL One Shot Liquitreat for BOILER treatment should be diluted with good quality distilled water or condensate in the dosage tank and dosed continuously over a 24-hour period in keeping with system demands. Daily dosage will depend on system capacity, purity and quality of condensate returns and the quality and amount of makeup to the system. Good quality distilled makeup water is recommended for use with RXSOL One Shot Liquitreat 100 treatment. The recommended initial dosage of RXSOL One Shot Universal Liquitreat 100 treatment is 2.5 to 5 liters per ton of water in the boiler system. Once the system has been initially dosed and is in operation, the daily hydrate alkalinity test result determines the necessary dosage.