A series of color test are carried out to determine the influence of developing result at different time after preparing the acetylacetone on formaldehyde content measuring.

• 文中对乙酰丙酮在配制后不同时间的应用作了一系列显色试验,以探讨试剂在不同时间显色结果对甲醛含量测试结果的定量影响。