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本法用于测定焦炉烟气中苯可溶物总量,简单方便,快速可靠,且无需特殊仪器设备,在普通天平室内待温度湿度等条件恒定时,就能得到准确结果。该法最小检出量为0.02mg,变异系数为4.76％。该法同样适用于石油沥青烟气中苯可溶物总量的分析。
This method is used to determine the total amount of benzene solubles in the coke oven smoke. It is simple and convenient, fast and reliable, and does not require special equipment. Accurate results can be obtained when conditions such as temperature and humidity in a common balance room are constant. The minimum detectable amount of this method is 0.02mg and the coefficient of variation is 4.76%. The same applies to the analysis of total benzene solubles in petroleum pitch flue gas.