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ANALYTICAL INSTRUMENTATION
2014年
6期
44-47
,共4页
石脑油%微量铅%石墨炉原子吸收法
石腦油%微量鉛%石墨爐原子吸收法
석뇌유%미량연%석묵로원자흡수법
naphtha%trace lead%graphite furnace atomic absorption spectrometry
将试样用无水乙醇溶液稀释,以硝酸钯为基体改性剂,用石墨炉原子吸收光谱法直接进样,测定石脑油中的微量铅含量。实验表明,铅质量浓度在0~100μg/L范围内,线性关系良好,相关系数为0.999317,回收率为94.6%~105.1%。
將試樣用無水乙醇溶液稀釋,以硝痠鈀為基體改性劑,用石墨爐原子吸收光譜法直接進樣,測定石腦油中的微量鉛含量。實驗錶明,鉛質量濃度在0~100μg/L範圍內,線性關繫良好,相關繫數為0.999317,迴收率為94.6%~105.1%。
장시양용무수을순용액희석,이초산파위기체개성제,용석묵로원자흡수광보법직접진양,측정석뇌유중적미량연함량。실험표명,연질량농도재0~100μg/L범위내,선성관계량호,상관계수위0.999317,회수솔위94.6%~105.1%。
Determination of lead content in naphtha by direct injection graphite furnace atomic absorp‐tion spectroscopy was studied with ethanol as solvent ,palladium nitrate as matrix modifiers .The test re‐sults indicated that it w as satisfied in the lead content range of 0‐100μg/L ,the linearly dependent coeffi‐cient w as 0.999317 ,the recovery ratio w as 94.6%‐105.1% .