G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/31 (2006.01) G01N 33/487 (2006.01)
Patent
CA 2189906
In a method of measuring optical character- istics of a component in a liquid impregnated in a porous material with no affection by the porous material, a light beam having an absorbable wavelength which is absorbed by the component in the liquid and a light beam having a wavelength which is longer than the absorbable wavelength are projected to the porous material, and a quantity of light having the wavelength which is absorbed by the component in the liquid is compensated by a quantity of transmitted light having the wavelength longer than the absorbable wavelength.
Fujioka Shigeru
Hosotani Atsushi
Morishita Makoto
Motokawa Hisashi
Taguchi Takayuki
Arkray Inc.
Marks & Clerk
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