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公开(公告)号：US20240385117A1
公开(公告)日：2024-11-21
申请号：US18689702
申请日：2021-11-30
Applicant: SARAYA CO., LTD.
Inventor： Satomi SAKAI , Tadashi MATSUMOTO , Emiko KAWAMUKAI , Toru YASUHARA
Abstract: The present invention relates to a reagent for measurement of a percarboxylic acid concentration of a percarboxylic acid-containing aqueous solution with high accuracy using an optical method, and a method for measuring and a device capable of measuring using the reagent. As an indicator solution to be used for measuring a percarboxylic acid concentration in a percarboxylic acid-containing aqueous solution (test sample), the indicator solution is used that contains Brilliant Blue FCF as an internal standard substance and an iodide salt as a coloring substance.
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