Methanol was distilled from cuprammonia and then determined by colorimetry.The method was accurate and reliable,and could be used for production control analysis,with recovery of methanol as 92%.

• 甲醇通过蒸馏从铜氨液中逸出,以排除了溶液中其他物质对测定的干扰,将馏出液进行比色测定,回收率达92%25以上,可用于生产控制分析。