Air shutoff agent for aqueous reagent and aqueous specimen,...

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 15/32 (2006.01) B01J 19/16 (2006.01) C08K 5/01 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2343634

An air shutoff agent for an aqueous reagent or an aqueous specimen (hereinafter referred to as "aqueous reagent or the like") which comprises as an effective component a mixture of a chain hydrocarbon (linear or branched) and a silicone oil which is immiscible with the aqueous reagent or the like and has a specific gravity lower than that of the aqueous reagent or the like; and a method for storing the aqueous reagent or the like with stability which comprises placing the mixture over the surface of the aqueous reagent or the like. The placement of the air shutoff agent for an aqueous reagent or the like over an aqueous reagent or an aqueous specimen results in the stable storage of an effective component in an aqueous analytical reagent and a component to be determined in an aqueous specimen, and the air shutoff agent has an advantageous characteristic that when the agent flows into a reaction vessel of an autoanalyzer it does not soil the reaction vessel.

L'invention porte sur un agent aérophobe pour réactif aqueux ou substance aqueuse (dit ci-après "réactif aqueux ou analogue") comportant comme composant actif un mélange d'un hydrocarbure linéaire et d'une huile de silicone miscible avec le réactif aqueux ou analogue et présentant un poids spécifique inférieur à celui dudit réactif ou analogue; et sur un procédé de stockage stable dudit réactif ou analogue consistant à déposer le mélange à la surface du réactif ou analogue. La mise en place de l'agent aérophobe sur le réactif ou la substance aqueuse permet le stockage stable d'un composé actif dans un réactif aqueux d'analyse et dans un composant recherché présent dans une substance aqueuse, ledit agent aérophobe présente l'avantage de ne pas polluer le réacteur d'un autoanalyseur lorsqu'il y pénètre.

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