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采用AA3连续流动分析仪测定炼化企业各种水样中的硫化物,结果表明其线形范围为0-2.0mg/l,方法的检出限:0.004mg/L;精密度RSD小于1%;线性相关系数r=1.0000;对方法的回收率做了实验,所得结果在97.90%-99.40%之间;分析速度达到50个样品/h。
The results showed that the linear range was 0-2.0mg / l. The detection limit was 0.004mg / L. The RSD of precision was less than 1%. The linear correlation coefficient r = 1.0000. The recovery rate of the method was tested, the results obtained between 97.90% -99.40%; the analysis speed reached 50 samples / h.