| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an oxygen sensing agent composition having a relatively high-response speed even under a low-temperature condition of about 5°C. <P>SOLUTION: The oxygen sensing agent composition for low-temperature comprises a composite which is prepared by mixing at least one kind of an organic acid or organic acid salt selected from the group consisting of citric acid, fumaric acid, malic acid, tartaric acid, gluconic acid and sodium, potassium and magnesium salts of them, organic coloring matter, a reducing agent and an alkaline substance as essential components. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
