METHOD FOR DETERMINING OBJECT TO BE MEASURED

• Main Authors: SUZUKI NORIYUKI, TADANO TOSHIO, YOKOYAMA ICHIRO, TANEBE MASARU, HANIYU TSUNEO, MORITA TOSHINAO, SAKURAI HISASHI
• Format: Patent
• Language: English
• Published: 18.08.1995
• Edition: 6
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

PURPOSE:To determine an object to be measured with high sensitivity by providing an integreting sphere to a detector and arranging a liquid opaque material body having an opening for limiting a reagent applying extent on a porous film. CONSTITUTION:A photometric device S constituted in such a way that a part 3 to be tested is irradiated with light from a light source counterposed to the opening 21 of an integrating sphere and reflected light from the part 3 is introduced to the sphere 2, and then, the reflected light is detected by means of a detector 4 provided on the side face of the sphere 2 is used. Since the reflected light from the part 3 is converged to the detector 4, the quantity of detected light becomes larger and the degree of coloring can be sufficiently recognized, resulting in high-sensitivity measurement. It is preferable to constitute the sphere 2 in such a way that the internal surface is coated with a material having a high reflection efficiency and the opening 21 can be brought nearer to the part 3 as much as possible, and then, the sphere 2 can have such a diameter that does not allow other part than the part 3 to enter the opening 21. In addition a liquid opaque material body having a reagent introducing opening is arranged so as to improve the effectiveness of the device S.