用薄层涂铺器铺板的效率和质量较手工铺板均有所提高，但操作过程有时会出现异常现象，干扰层析结果。因此，就工作中常遇到的问题作如下探讨。用涂铺器铺板易出现以下几种现象。薄层板表面较粗糙；薄层板表面有小气泡；薄层板的厚薄不均匀。要想获得理想的薄层板，避免以... The efficiency and quality of plating with a thin coater are improved compared to hand-laying, but there are occasional anomalies in the operation that interfere with the chromatographic results. Therefore, the following issues are often discussed in the work. Spreading with a paving machine is prone to the following phenomena. The surface of the thin plate is rough; the surface of the thin plate has small bubbles; the thickness of the thin plate is uneven. To get the ideal thin plate, avoid...