The reaction between, for example, a test with the substance with high sensitivity.The test substance will change the visible with naked eye. Properties of H 2 D 3, capable of Complex occurred.
The reaction between the sample and the test substance with high sensitivity test substance will change visible to the naked eye H2D3 property of their ability to achieve Complex.
The reaction between the sample and the test substances with high sensitivity test substances to macroscopic changes. the properties of H2D3 ability in the Complex.