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Alkalinity, total = Alkalinity-m = m-Value with Tablet

0 - 300 mg/l CaCO3 Mark as favourite

Alkalinity P and Alkalinity M (Total Alkalinity) are important tests in boiler water treatment control where the pH of water is over 8.5. Results are usually reported in mg/l as Calcium Carbonate (CaCO3).
Alkalinity P is the alkalinity of the water to pH 8.3, uses a phenolphalein based indicator and represents the alkalinity due to hydroxides plus half the alkalinity due to carbonates.
Alkalinity M is a measure of the alkalinity of water to pH 4.5 and uses a methyl orange based indicator. Results represent the total alkalinity due to the combined concentration of bicarbonates, carbonates and hydroxides. Total Alkalinity is also an important test in swimming pools as it plays a part in maintaining the water balance.


  • Drinking Water Treatment
  • Pool Water Control
  • Pool Water Treatment
  • Raw Water Treatment
  • Waste Water Treatment
Title Parameter and Range Part Number Mark as favourite
Test equipment for the responsible private swimming pool and whirlpool operator
Alkalinity-m T 0 - 300 mg/l CaCO3
Bromine T 0.2 - 13 mg/l Br2
Chlorine T 0.1 - 6.0 mg/l Cl2 a)
CyA T 1 - 160 mg/l CyA
pH-value T 6.5 - 8.4
Title Method No. Packaging Unit Part Number Mark as favourite
Alka-M-Photometer M20 , M30 Tablet / 100 513210BT
Alka-M-Photometer M20 , M30 Tablet / 250 513211BT
Title Online Download Type Format Language Direct Download
Instruction Manual Single Method M30 - Alkalinity-m T Instruction Manual PDF (0.63 MB)
Title SDS Country Direct Download