Abstract：The uncertainty sources in the determination of arsenic in manganese ore by hydride generation-atomic fluorescence spectrometry were discussed. The results indicated that the uncertainty was mainly from the weighing of sample, dilution volume of testing solution, preparation of standard solution, calibration curve fitting and measurement repeatability of testing solution. Through evaluating the components of uncertainty, the combined standard uncertainty was obtained. The expanded uncertainty was obtained by multiplying the combined standard uncertainty by expanded factor (2) under the confidence level of 95%. Finally, the determination results of arsenic containing expanded uncertainty were provided.
刘文甫;应文河. 氢化物发生-原子荧光光谱法测定锰矿中砷结果的不确定度评定[J]. 冶金分析, 2011, 31(4): 77-80.
LIU Wen-fu;YING Wen-he. Uncertainty evaluation for the determination results of arsenic in manganese ore by hydride generation-atomic fluorescence spectrometry. , 2011, 31(4): 77-80.
