在化学检验室虽采用各种新的分析方法,改进检验技术,但对吸气球的使用还是比较多的。有时由于吸气球脱销,也会带来一些不便。我们在“防治白蚁商店”买到一种喷球(橡胶球体,电木吸嘴)。用砂纸把吸嘴尖端磨圆,套上约1.5 Although a variety of new analytical methods are used in the chemical laboratory to improve inspection techniques, the use of suction balloons is still relatively large. Sometimes because of the out-of-balloon, it will also bring some inconvenience. We bought a spray ball (rubber ball, bakelite nozzle) at “Control Termite Store ”. Use a sandpaper to round the tip of the nozzle, put on about 1.5