Activity of alkali methoxide catalysts (sodium methoxide and potassium methoxide) in carbonylation of methanol was studied.IR, GC and GC-MS were used to identify products and changes of the catalysts.

• 利用红外、气相色谱、色谱-质谱联用方法对甲醇羰基化反应过程中甲醇钾和甲醇钠催化剂的失活情况进行了研究。