Alkalinity, also known as acid capacity, is one of many colourimetric tests that Envirochem offers. This measures how much acid the solution can absorb before its pH is changed. This test is used in concrete water and waste water. Biological organisms required for wastewater treatment are most effective at a neutral to slightly alkaline pH (7-8). In order to maintain this pH the wastewater needs sufficient alkalinity to neutralise acids produced by the biological organisms.
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