摘要
本文介绍了氧化还原法测定均苯四甲酸二酐催化剂中钒离子价态,这对催化剂的制备及活性评价具有重要意义。
the average oxidation numbers of vanadium ions in PMDA (Pyromellitic acid dianhydride) catalyst were determinated by redox titration ,which is an important method to evaluate the catalyst in preparation of PMDA.
出处
《化学与粘合》
CAS
1996年第2期76-78,共3页
Chemistry and Adhesion
