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| 石墨炉原子吸收光谱法测定农产品中痕量铍 |
| Determination ofTrace Beryllium in the AgriculturalProductsbythe Graphite Furnace Atom ic AbsorptionM ethod |
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| DOI： |
| 中文关键词: 微波消解 电热板消解 石墨炉原子吸收光谱法 农产品 |
| 英文关键词: Beryllium M icrowave digestion Electric heating board digestion Graphitefurnaceatomicabsorption Agriculturalproducts |
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| 摘要点击次数: 1970 |
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| 中文摘要: |
| 采用石墨炉原子吸收光谱法测定农产品中痕量铍, 比较了微波消解和电热板消解两种前处理方法, 选择了基体改良剂。方法在0g/L~ 4.00g/L范围内线性良好, 微波消解法和电热板消解法的检出限分别为0. 002 m g/kg和0.000 2 m g/kg, 标样平行测定的RSD为 2.4% ~ 4.1%, 农产品加标回收率为80.0% ~ 95.0% 。 |
| 英文摘要: |
| Thetrace Beryllium in agriculturalproductswasdetermined bygraphitefurnace atomic absorptionspectrometry. Thetwotreatmentmethodswere compared between microwave digestion and electric heating board digestion. A matriximproverwaschosen. A good linearity wasinrangefrom 0g/L to 4.00g/L. The detectionlimitsofmicrowavedigestion and electro thermalboard digestionwere0.002mg/kgand 0.000 2mg/kgrespectively. Parallelstandard samplestestresultsofRSD wereinrangefrom 2.4% to4.1%. Spikerecoveryof agriculturalproductssamplesranged from 80.0% to95.0%. |
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