BICARBONATE CONTAINING CHEMICAL SOLUTION HOUSED IN PACKAGE ARRANGED WITH CARBON DIOXIDE INDICATOR

PROBLEM TO BE SOLVED: To easily confirm a pin hole or a defective sealing. SOLUTION: The carbon dioxide indicator applying a carbon dioxide detecting ink composition containing one type or more of a pH indicator, a binder and a solvent, and providing easy visual confirmation of a color change of an...

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Bibliographische Detailangaben
Hauptverfasser: HONDA HIROSHI, OCHIAI SHINYA, OBINATA YAE, HAMAZAKI ARATA, MIZUMA HIROYUKI, YUYAMA KOHEI, OKA MINORU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To easily confirm a pin hole or a defective sealing. SOLUTION: The carbon dioxide indicator applying a carbon dioxide detecting ink composition containing one type or more of a pH indicator, a binder and a solvent, and providing easy visual confirmation of a color change of an indicating part due to carbon dioxide concentration, and a carbon dioxide permeable plastic container for the chemical solution housing the bicarbonate containing chemical solution are subjected to gas flush packaging in a carbon dioxide atmosphere.