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采用ICP-OES同步测定燃料油和润滑油中Pb,Fe,Mn,Al,Ba,Ca,Cu,M g,V,Zn,Si,P,S。样品经航空煤油稀释10倍后直接进样。考察了发射功率、雾化器流量及观测高度对测试的影响,确定最优测试条件为发射功率1.4 k W,雾化器流量0.6 L/min,观测高度8 mm。对除S以外目标元素测定的回收率都在91%~108%之间,RSD均在0.3%~3.5%之间。
Simultaneous determination of Pb, Fe, Mn, Al, Ba, Ca, Cu, Mg, V, Zn, Si, P and S in fuel oil and lubricating oil by ICP-OES. Samples were injected directly into the aviation kerosene diluted 10 times. The influence of emission power, atomizer flow rate and observation altitude on the test was investigated. The optimal test conditions were determined as the power of 1.4 k W, nebulizer flow 0.6 L / min and observation height 8 mm. The recoveries of target elements except for S were between 91% and 108% with RSDs between 0.3% and 3.5%.