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本文涉及一种用分光光度法测定微量甲醛的方法，对该方法显色剂的使用条件进行了系统研究并确定了测定条件．该方法具有步骤简单、操作简便、速度快、所用试剂种类少等特点．方法的准确度与精密度都较好．
This article relates to a spectrophotometric method for the determination of trace formaldehyde, the use of the method of reagent conditions were studied and determined the determination of the conditions. The method has the advantages of simple steps, simple operation, high speed, little reagent type used and the like. Method accuracy and precision are better.