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Classification of negative ions

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Negative ions are classified by size and chemical composition

[Size]
Some molecules in the air combine to form a negative ion molecule. Generally, negative ions are floating in the air in a group. Depending on the size of the group, they are classified into small, medium and large ion groups. It has been said that small groups have better effects on the human body.

[Chemical Composition]
Negative ions have not been fully analyzed chemically yet. The following are well-known examples.
Oxide molecule ion → O2- + (H2O)n
Carbon dioxide ion → CO3- + (H2O)n
Nitric acid ion → NO3- + (H2O)n
Some reports say the Nitric acid molecule ion is more often found than other type of negative ions.

It is believed NH4+ type positive ions are the mainstream of positive ions.
(Reference: Luts,1995 and others)
 
Author: Masaharu Nemoto
(Universal Plan Co., Ltd.)
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