目前，测定喹硫磷的含量一般采用薄层－重量法，存在测定步骤多、时间长等缺点，提出了薄层溴化法，即经薄层板的制备、薄层分离、溴化测定及计算就可得到喹硫磷的含量，确定溴化温度为３５±１℃，溴化时间为１５ｍｉｎ。变异系数为２．０９％，标准偏差为０．５７。该方法与薄层－重量法相比，节省一半的时间，且操作简单，准确、快速，适合生产厂的中控分析。 At present, the determination of quetiapine content is generally thin layer - gravimetric method, there are many measurement steps, a long time and other shortcomings, the thin layer of bromination method, that is, the preparation of thin layer plate, thin layer separation, determination of bromine and Calculation can be obtained quetiapine content, to determine the temperature of bromination 35 ± 1 ℃, bromination time of 15min. The coefficient of variation was 2.09% with a standard deviation of 0.57. Compared with the thin-gravimetric method, this method can save half the time and is simple, accurate and rapid, which is suitable for the central control analysis of the manufacturing plant.