Title:
MICROPLASTIC OBSERVATION METHOD AND OBSERVATION DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP2023166748
Kind Code:
A
Abstract:
To provide a method for observing microplastics in water using infrared light, and a small-sized observation device therefor.SOLUTION: An observation method flows water so as to form a flux that flows at a constant speed along an axial line, then linearly irradiates a straight line perpendicular to the axial line with infrared rays from a light source, and guides transmitted light onto a uniaxial array detector in which photodetection elements are arranged in a row, to detect light. The observation device comprises: a flow cell that allows water to flow so as to form a flux flowing at a constant speed along an axial line; and an optical system that linearly irradiates a straight line perpendicular to the axial line with infrared rays from a light source, and guides transmitted light onto a uniaxial array detector in which photodetection elements are arranged in a row, to detect light.SELECTED DRAWING: Figure 1
Inventors:
SHIMA TAKAYUKI
FURUKAWA SUKEMITSU
OKAMOTO YUKI
IWASAKI WATARU
ICHIKI MASAAKI
FURUKAWA SUKEMITSU
OKAMOTO YUKI
IWASAKI WATARU
ICHIKI MASAAKI
Application Number:
JP2022077489A
Publication Date:
November 22, 2023
Filing Date:
May 10, 2022
Export Citation:
Assignee:
AIST
International Classes:
G01N21/27; G01N21/359
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