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What is a diffusion coefficient?

Q.09 What is a diffusion coefficient?
Air ions spread depending on the strength of the electromagnetic field. A diffusion coefficient shows how far they spread. Generally, negative/small ions have larger diffusion coefficients than positive/large ions.
 
Author: Masaharu Nemoto
(Universal Plan Co., Ltd.)
Highly Accurate Air Ion Counter inti-PRO NT-C101A
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Highly Accurate Air Ion Counter inti-PRO NT-C101A (Highly Accurate Air Ion Counter)

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· It is easy to operate, allows me to adjust the display speed and provides st  Mr. K.W Kyoto, Japan

· The figure helps to make sure that my product generates negative ions and to  Mr. T.I Mie, Japan

· This product provides reliable data as it conforms to the JIS standard. It i  Mr. K Aomori, Japan

· This model provides reliable data as it measures the actual ions while many   Mr. T.K Gunma, Japan

Why do negative ions decrease as humidity rises?
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Theory of Air Ion (14)
Negative ion effects reported in medical literature (13)
Lenard effect (2)
Negative ion counter comparison chart (2)
Corporate customers (15)
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