When possible, specific determination of the substance absorbed on sludge should be performed.

Process of attracting one substance into the mass of another, so that the absorbed substance combines with the absorbent.

After the test chemical is administered, the rats are killed and the amount of test substance absorbed is estimated.

Once in the human body, it takes a long time for the body to eliminate them.

Ultraviolet light from the light source illuminates the treated area causing the absorbed substance to fluoresce.

Eating slows the rate of absorption, the degree of absorption does not change.

Also provided in the present invention are, by utilizing the detection apparatus, a method for acquiring the substance absorbed on the surface of the object and a method for detecting whether or not the substance is a hazardous substance.

Food slows the rate of absorption, but the amount of absorbed substance does not change.

The only substance that is absorbed in the stomach is alcohol, any other substance should be the transformation that takes place in the intestines.

The only substance absorbed from the stomach to any extent is alcohol; all other substance must undergo the transformation that takes place in the intestines.

However, the amount of a substance absorbed into the hair is influenced by surface area and hair composition.