电感耦合等离子体发射光谱法测定丁辛醇废水中钠的不确定度评估  

Uncertainty Assessment of Sodium Determination in Butanol-Octanol Wastewater by Inductively Coupled Plasma Emission Spectrometry

作　　者：于雪 孙红珍 贲旭东[1] 于海波[1] 郑凌 宋权威 Yu Xue;Sun Hongzhen;Ben Xudong;Yu Haibo;Zheng Ling;Song Quanwei(Research Institute of Jilin Petrochemical Co.,Ltd.,PetroChina;CNPC Research Institute of Safety&Environment Technology)

机构地区：[1]中国石油天然气股份有限公司吉林石化分公司研究院,132021 [2]中国石油集团安全环保技术研究院有限公司,102206

出　　处：《油气田环境保护》2025年第2期49-54,共6页Environmental Protection of Oil & Gas Fields

基　　金：中国石油天然气集团有限公司科学研究与技术开发项目(2022DJ6906)。

摘　　要：采用电感耦合等离子体(ICP)发射光谱法测定丁辛醇废水的钠(Na)含量,并且以计算测量不确定度的方式客观评估测试结果的准确度,确定提高方法正确度和精密度的关键点。测试结果表明:该丁辛醇废水样品的Na含量为(0.59±0.08)%(k=2),标准曲线的相关系数为0.999 8,测试结果的相对标准偏差为0.88%,与采用原子吸收光谱法对同一试样Na含量的测定结果相同,证明该方法具有较好的精密度和准确度。Inductively Coupled Plasma(ICP) emission spectrometry was used to determine the sodium(Na) content in butanol-octanol wastewater.The measurement uncertainty was calculated to objectively assess the accuracy of the test results and identify key points for improving method precision and accuracy.The results showed that the Na content in the butanol-octanol wastewater sample was(0.59±0.08)%(k=2),with a correlation coefficient of 0.999 8 for the calibration curve.The relative standard deviation(RSD) of the test results was 0.88%,which matched the sodium content determination results obtained by atomic absorption spectrometry for the same sample.This indicates that the method exhibits good precision and accuracy.

关 键 词：ICP发射光谱法 丁辛醇废水 钠 测量不确定度 

分 类 号：TE991.1[石油与天然气工程—石油机械设备]