LaMotte HARDNESS IN WATER 1606 User Manual
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OXIDATION:
Chemical change caused by oxygen reacting with the
substance.
pH:
Based on the number of hydrogen or hydroxyl ions there are in a
substance. A pH scale is used to determine whether a substance is acidic,
basic or neutral. On the pH scale the midpoint 7.0 indicates a neutral
substance; readings below 7.0 are acidic; readings above 7.0 are basic.
POLLUTION:
The presence of matter or energy whose nature, location
or quantity produces undesired environmental effects.
ppm:
An abbreviation for parts per million. One ppm is equal to one
particle of the substance in a million particles of solution.
PURIFY/PURIFICATION:
The process by which polluted substances are
cleaned. Purification can occur naturally, or by any of several mechanical
means, such as filtration or chemical treatment.
SCALE:
Crusts or flakes which are deposited on the surface of metal parts,
often composed of calcium or magnesium.
SOLUTION:
One or more substances dissolved in liquid.
WATER SOFTENERS:
Special devices which remove minerals such as
calcium and magnesium from the water supply.
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