Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Chemiluminescent
Reexamination Certificate
2004-12-16
2008-12-02
Warden, Jill (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Chemiluminescent
C422S068100, C422S082050, C422S105000, C096S155000
Reexamination Certificate
active
07459123
ABSTRACT:
An automatic analyzer which can remove air bubbles in a photometric light path within a reaction tank and can provide accurate measurement results with stability. The automatic analyzer comprises a reaction cell for mixing a sample and a reagent therein, a constant temperature bath for holding water in which the reaction cell is immersed, a suction pipe for sucking the water in the constant temperature bath, a return pipe for returning the water to the constant temperature bath, a pump disposed between the suction pipe and the return pipe and circulating the water, a heater for heating the water circulated in the constant temperature bath by the pump, and an air-bubble removing unit disposed between the suction pipe and the return pipe, having a water-tight structure to hold the constant temperature bath water therein, and removing air bubbles based on a difference in gravity between the water and the air bubbles.
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“Improved Impinger Air Sampling Method by Using Highly Hydrophilic Surface and its Application Automatic Monitor for Acidic or Basic Contaminations in Cleanroom Air”, U. Hase et al, Japan Association of Aerosol Science and Technology, vol. 19, No. 2 (2002), pp. 83-88.
Isobe Tetsuya
Nishida Masaharu
Takahashi Katsuaki
Chan Cedric A
Hitachi High-Technologies Corporation
Hitachi Science Systems, Inc.
Mattingly, Stanger Malur & Brundidge PC
Warden Jill
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