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

5 - 500 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
114 Parameters 214020
114 Parameters 214025
118 Parameters 214140
98 Parameters 210000-B
98 Parameters 210000
13 Parameters 214060
35 Parameters 214065
35 Parameters 214070
154 Parameters 71307000
156 Parameters 71307500
121 Parameters 712000
121 Parameters 712005
Title Method No. Packaging Unit Part Number Mark as favourite
Alka-M-HR Photometer M31 Tablet / 100 513240BT
Alka-M-HR Photometer M31 Tablet / 250 513241BT
Title Part Number SDS Country Direct Download
Alka-M HR Photometer 00513241