| MIBK萃取-火焰原子吸收光谱法测定钙镁磷肥中的镉 |
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| 引用本文： | 钟平,张礼根.MIBK萃取-火焰原子吸收光谱法测定钙镁磷肥中的镉[J].赣南师范学院学报,2012,33(3):76-79. |
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| 作者姓名： | 钟平 张礼根 |
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| 作者单位： | 赣南师范学院化学化工学院,江西赣州,341000 |
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| 摘 要： | 利用火焰原子吸收光谱法测定钙镁磷肥中镉的含量,探讨了仪器的工作条件,消化试剂的选择及加标回收率的测定.在最佳的工作条件下,钙镁磷肥中镉含量测定平均值为1.750 9μg/g,相对标准偏差(RSD)为5.6%,回收率为94.50%～103.71%.
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| 关 键 词： | 火焰原子吸收光谱法 钙镁磷肥 镉 |
MIBK Extraction and Flame Atomic Absorption Spectrometric Method for the Determination of Cadmium in Calcium Magnesium Phosphate |
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| ZHONG Ping,ZHANG Ligen.MIBK Extraction and Flame Atomic Absorption Spectrometric Method for the Determination of Cadmium in Calcium Magnesium Phosphate[J].Journal of Gannan Teachers' College(Social Science(2)),2012,33(3):76-79. |
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| Authors: | ZHONG Ping ZHANG Ligen |
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| Institution: | (School of Chemistry and Chemical Engineering,Gannan Normal University,Ganzhou 341000,China) |
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| Abstract: | Using flame atomic absorption spectrometric method for the determination of calcium magnesium phosphate in the cadmium content,the paper discussed the working condition of instrument,digestion reagent selection and the determination of recoveries of standard addition.In the best working condition,calcium magnesium phosphate determination of cadmium content in an average value of 1.750 9 g / g,the relative standard deviation(RSD) was 5.6 %,the recovery rate was 94.50 %～103.71 %. |
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| Keywords: | flame atomic absorption spectrometry calcium magnesium phosphate cadmium |
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