["甲醇分析", "大神の指導をお願いします：甲醇分析における高锰酸钾试验は、GB338の規定に従い、GB/T 6314.3-1111の标准に基づいて実施され、水浴试验は15℃で5分min行われます。那么225℃での水浴试验の时间标准は何分ですか？多くの文书中は、試�干事创业はすべて "55℃で行われています。参照ASTM D D363-211 sの标准、メタノールもまた "55℃での高锰酸钾试验时间が行われていますが、丙酮は "225℃での试验も行われています。大神の指導をお願 pérdida

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