火花放电原子发射光谱法分析带极堆焊熔敷金属中7种元素
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摘要
在实际生产应用中,火花放电原子发射光谱法广泛应用于带极堆焊熔敷金属的日常检验。因生产工艺和组织结构等因素的差别,使用标样作为类标样品时分析结果存在误差。实验针对带极堆焊熔敷金属,开展了火花放电原子发射光谱法应用于碳、硅、锰、硫、磷、铬、镍7种元素含量检测的应用研究,通过对光源参数中冲洗时间、预燃时间、积分时间进行优化,确定了冲洗时间为5s、预燃时间为6s、积分时间为7s的实验条件。探讨了使用标准样品和自制控样两种类型标准化方法对分析结果的影响。试验发现,采用不锈钢标样ZBGS003作为类型标准化样品测定带极堆焊熔敷金属时,碳、锰、铬、镍尤其是铬的分析值与化学湿法相差较大。而采用自制的带极堆焊熔敷金属建立类型标准化曲线后,测定结果与化学湿法分析结果基本一致。
The spark discharge atomic emission spectrometry is widely used in the routine inspection of strip surfacing deposited metal in actual production process.Due to the differences of factors such as manufacturing technique and structure,the analysis results usually have errors when the standard samples are used as control samples.The determination of seven elements(including carbon,silicon,manganese,sulfur,phosphorus,chromium and nickel)in strip surfacing deposited metal by spark discharge atomic emission spectrometry was investigated.The flush time,pre-combustion time and integral time in the light source parameters were optimized.The following experimental conditions were finally selected:the flush time was 5 s,the pre-combustion time was 6 sand the integral time was 7 s.The influence of two type standardization methods(i.e.,using standard sample and self-made control sample)on the analysis results was discussed.It was found that the analysis results of carbon,manganese,chromium and nickel especially chromium had great difference with the chemical wet method when the stainless steel standard sample ZBGS003 was used as standardization sample for the determination of strip surfacing deposited metal.After establishing the type standardization curve with the self-made strip surfacing deposited metal,the determination results were basically consistent with those obtained by the chemical wet analysis method.
The spark discharge atomic emission spectrometry is widely used in the routine inspection of strip surfacing deposited metal in actual production process.Due to the differences of factors such as manufacturing technique and structure,the analysis results usually have errors when the standard samples are used as control samples.The determination of seven elements(including carbon,silicon,manganese,sulfur,phosphorus,chromium and nickel)in strip surfacing deposited metal by spark discharge atomic emission spectrometry was investigated.The flush time,pre-combustion time and integral time in the light source parameters were optimized.The following experimental conditions were finally selected:the flush time was 5 s,the pre-combustion time was 6 sand the integral time was 7 s.The influence of two type standardization methods(i.e.,using standard sample and self-made control sample)on the analysis results was discussed.It was found that the analysis results of carbon,manganese,chromium and nickel especially chromium had great difference with the chemical wet method when the stainless steel standard sample ZBGS003 was used as standardization sample for the determination of strip surfacing deposited metal.After establishing the type standardization curve with the self-made strip surfacing deposited metal,the determination results were basically consistent with those obtained by the chemical wet analysis method.
引文
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[2]文孟喜,孙晓飞,贾云海.火花放电原子发射光谱测定镍基合金中铁元素的校准曲线探讨[J].冶金分析,2018,38(2):9-17.WEN Meng-xi,SUN Xiao-fei,JIA Yun-hai.Discussion on calibration curve for determination of iron in nickel based alloy by spark discharge atomic emission spectrometry[J].Metallurgical Analysis,2018,38(2):9-17.
[3]曾勤,郑振峰.标准样品在火花源原子发射光谱仪法测定中的应用[J].化学工程与装备(Chemical Engineering&Equipment),2011,12(12):181-183.
[4]高鹏.光电原子发射光谱仪对不锈钢检测中的误差分析[D].沈阳:东北大学,2014.
[5]刘启新,陈兴会.火花源原子发射光谱法测定钢铁中多元素[J].冶金分析(Metallurgical Analysis),2004,24(增刊):76-77.
[6]中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.GB/T 11170—2008不锈钢多元素含量的测定火花放电原子发射光谱法(常规法)[S].北京:中国标准出版社,2008.
[7]芦飞.火花放电原子发射光谱法分析不锈钢中铬镍元素精密度和准确度的影响因素探讨[J].冶金分析,2017,37(10):37-46.LU Fei.Discussion of factors influencing precision and accuracy in determination of chromium and nickel in stainless steel by spark discharge atomic emission spectrometry[J].Metallurgical Analysis,2017,37(10):37-46.