Horiba, Ltd.

Norikazu Iwata

Shigeyuki Akiyama

Masahiko Fujiwara

Takuji Oida

Satoshi Inoue

Masahiko Endo

This invention relates to a multi-component absorbance monitor, and the object is to provide a general-purpose and highly accurate compact absorbance monitor. Disclosed is an absorbance monitor including a light source, a sample cell and a plurality of detectors as elements, wherein a light collecting member is arranged between the light source and one detector, and an inside wall of the light collecting member has a site for guiding a part of light from the light source, that is, a light guiding opening, and light from the light guiding opening enters another detector. Preferably, the light collecting member lies between the light source and the sample cell. Preferably, an optical element used for another detector described above is arranged in the light guiding opening and adjacently to a light path formed by the light collecting member.

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Kyoto, Japan

Norikazu Iwata