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I heard air ions have life expectancies. How long can they exist in the air?

Q.06 I heard air ions have life expectancies. How long can they exist in the air?
According to literature, small ions have life expectancies of 100 seconds +/-. Generally, negative ions have shorter life expectancies than positive ions due to the larger diffusion coefficients.
 
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

How do small ions exist in our daily life environment?
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Contents of: Negative Ion FAQ
Contents of: Theory (Negative ion & Tourmaline)
· Negative Ion Generators
· Ion Counter
· Tourmaline Sheet
· Tourmaline Stones Powder
· Necklace
· Bracelet
· Bath Products
· Supporter
· Negative Ion Clothing
· Tourmaline Bedding
· Girdle
· Pet Supplies
· Home remedies for stiff neck
· Negative Ion Accessories
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· Tourmaline Products
What is a negative ion? (13)
What is tourmaline? (7)
Tourmaline explorer (11)
Negative Ion FAQ (140)
Ideal amount of negative ions (1)
Actual negative and positive ion measurements featured in literature and media (1)
Learn more about negative ions (25)
How to choose the right negative ion generator (5)
How to choose the right negative ion products (9)
Misunderstanding about negative ions (10)
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)
Users Testimonials
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