Patent ID: 6731387
Filing Date: 2004-05-04
Classification: G01N

Abstract:
An apparatus for measuring absorption comprising:a means for dispensing a test liquid; a means for supporting an absorption material to be tested a selected distance under said means for dispensing a liquid; a light source, for casting a beam of light between said means for dispensing a test liquid and said means for supporting an absorption material, on a first side of said means for supporting an absorption material and means for dispensing a test liquid; a light collecting means, for measuring the amount of light that passes through said selected distance between said means for dispensing a test liquid and said means for supporting an absorption material, on a second side; a means for measuring the amount of light collected by said light collecting means over a period of time; said means for dispensing a test liquid is a syringe; a plunger under control of a dosing control means dispenses test liquid from said syringe.