Test Methods for Anion (Negative Ion)

There are two types of method to test for anions: the ‘dynamic tests’ and ‘static tests’. For the anionic tape (Love Moon Anion Sanitary Napkin) produced by Winalite International, the density of the anions it emits has to be ascertained using the dynamic test. At the time of designing the patent technology, the ‘Wave Model’ method of anion production was adopted in consideration of the woman’s physical characteristics and the product usage. Under this model, anions are produced through friction. The nation’s authority in tests and assessments, the Shanghai Textile Industry Technical Supervisory Institute, has conducted many rounds of dynamic tests on the anionic sanitary napkins from Winalite International and proved that the anions emitted can reach 6.070 per cc, indicating that the actual effect from the use of the product had complied with the test standard.

Another type of test method is the static test. This involves using an equipment to detect the rays produced by the material (this way of anion production is called ‘Beam Model’) and indirectly reflect the anion production capacity. This method is used for accurate tests on solids such as mineral rocks. For the same reason, the anion contents at the beach, in the forest and among the mountains cannot be tested by using the static method.

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