Chromic acid (CrO₈), tseem hu ua chromium trioxide lossis chromic anhydride, yog xim liab-xim av, phaj zoo li siv lead ua nrog lub melting point ntawm 197 degree. Nws yog deliquescent heev thiab muaj zog oxidizing zog, uas ua rau siab corrosiveness thiab ua heev lom. Nws tuaj yeem ua rau tawv nqaij. Thaum chromic anhydride yaj hauv dej, nws tuaj yeem tsim chromic acid (H₂CrO₄) lossis dichromic acid (H₂Cr₂O₇).
Chromic anhydride thiab chromic acid yog dab tsi?
Oct 18, 2024
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