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以环己烷为吸收液，用多孔玻板吸收瓶采集大气中的沥青烟，其溶液在紫外区有明显吸收峰，用紫外分光光度法测定大气中的沥青烟，获得满意效果
To cyclohexane as absorbent, the glass plate with a porous glass absorption of bitumen smoke collection, the solution in the ultraviolet region has a significant absorption peak, measured by ultraviolet spectrophotometry of atmospheric smoke, to obtain satisfactory results