ICP-AES法测定高铅铜合金轴瓦中的铅和锡含量
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摘要
试验采用稀王水溶解高铅铜合金轴瓦样品,用2%的硝酸作为稀释液稀释样品,在铅217. 000 nm,锡235.495 nm处使用电感耦合等离子体原子发射光谱法进行分析,各元素的相关系数均大于0.999 5,方法的检出限为0.010 5%～0.015 9%(质量分数),结果的相对标准偏差(RSD,n=11)为1.11%～2.28%。进行加标回收试验,加标回收率为97%～102%,测定结果与使用YS/T475.2—2005和YS/T475.1—2005测定结果相符。测定方法的分析范围铅含量为10%～30%,锡含量为0.5%～4.5%。
Test using dilute aqua regia dissolving high lead copper alloy bearing samples,as diluent dilution sample with nitric acid of 2%,the lead is 217.000 nm,tin 235.495 nm using inductively coupled plasma atomic emission spectrometry is analyzed,the correlation coefficient of each element were greater than 0.999 5,the method detection limit of0.010 5%-0.015 9%( mass fraction),the results of relative standard deviation( RSD,n = 11) of 1.11% to 1.11%.Standard addition recovery test of standard addition recovery was 97% ～ 102%,the determination results with YS/T475.2—2005 is consistent with the results determined by YS/T475.1—2005. Method analysis of the scope of lead is 10% ～ 30%,tin is 0.5% ～ 4.5%.
Test using dilute aqua regia dissolving high lead copper alloy bearing samples,as diluent dilution sample with nitric acid of 2%,the lead is 217.000 nm,tin 235.495 nm using inductively coupled plasma atomic emission spectrometry is analyzed,the correlation coefficient of each element were greater than 0.999 5,the method detection limit of0.010 5%-0.015 9%( mass fraction),the results of relative standard deviation( RSD,n = 11) of 1.11% to 1.11%.Standard addition recovery test of standard addition recovery was 97% ～ 102%,the determination results with YS/T475.2—2005 is consistent with the results determined by YS/T475.1—2005. Method analysis of the scope of lead is 10% ～ 30%,tin is 0.5% ～ 4.5%.
引文
[1]蒋绿野.浅析内燃机车与柴油机曲轴铅青铜轴瓦材料的运用前景[C]中国铁道学会.提高内、电机车运动部件可靠性及寿命学术研讨会论文集.大连:中国铁道学会,1994:373-380.
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[3] YS/T475.2—2005,铸造轴承合金化学分析方法铅量的测定EDTA滴定法[S].
[4] YS/T475.1—2005,铸造轴承合金化学分析方法锡量的测定碘酸钾滴定法[S].
[5]杨桂平.铅黄铜中铅的分析方法的探讨[J].甘肃冶金,2012,34(2):112-114.
[6]王利军,张润坪.铬酸铅容量法对黄铜中铅的分析应用[J].哈尔滨轴承,2010,31(4):51-52.
[7]杨勇,张家驹.铜合金中铅锡极谱催化波同时测定[J].分析测试通报,1989,8(1):59-61.
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[9]毛建伟,王文红,王文玲,等.微波消解-火焰原子吸收法测定锡青铜中的锡元素[J].仪器仪表与分析检测,2015,31(1):41-44.
[10]邹德霜,李晓媛,田伦富,等.火焰原子吸收光谱法测定纯铜和铜合金中铅[J].冶金分析,2018,38(3):46-50.
[11]毛禹平,李艳.极谱法快速测定锡青铜中的锡[J].冶金分析,1997,17(5):51-52.
[12]常满田,陈梅芳.锡青铜及铅黄铜中铅的高速分析[J].理化检测-化学分册,1984,20(6):37-38.
[13] GB/T5121.27—2008,铜及铜合金化学分析方法第27部分电感耦合等离子体原子发射光谱法[S]
[2]许少凡,马松华,应美芬,等.碳纤维-铅青铜复合材料轴瓦的制造与应用[J].机械工程材料,1992,16(4):49-52.
[3] YS/T475.2—2005,铸造轴承合金化学分析方法铅量的测定EDTA滴定法[S].
[4] YS/T475.1—2005,铸造轴承合金化学分析方法锡量的测定碘酸钾滴定法[S].
[5]杨桂平.铅黄铜中铅的分析方法的探讨[J].甘肃冶金,2012,34(2):112-114.
[6]王利军,张润坪.铬酸铅容量法对黄铜中铅的分析应用[J].哈尔滨轴承,2010,31(4):51-52.
[7]杨勇,张家驹.铜合金中铅锡极谱催化波同时测定[J].分析测试通报,1989,8(1):59-61.
[8]白丙海,焦英坤.火焰原子吸收光谱法测定铅青铜锡青铜中的铅[J].理化检测-化学分册,1991,27(5):51.
[9]毛建伟,王文红,王文玲,等.微波消解-火焰原子吸收法测定锡青铜中的锡元素[J].仪器仪表与分析检测,2015,31(1):41-44.
[10]邹德霜,李晓媛,田伦富,等.火焰原子吸收光谱法测定纯铜和铜合金中铅[J].冶金分析,2018,38(3):46-50.
[11]毛禹平,李艳.极谱法快速测定锡青铜中的锡[J].冶金分析,1997,17(5):51-52.
[12]常满田,陈梅芳.锡青铜及铅黄铜中铅的高速分析[J].理化检测-化学分册,1984,20(6):37-38.
[13] GB/T5121.27—2008,铜及铜合金化学分析方法第27部分电感耦合等离子体原子发射光谱法[S]