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| 火焰原子吸收分光光度法测定生活垃圾堆肥产品中铅 |
| Determ ination ofLead in the Composting Productsof Life Refuse by FAAS |
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| DOI： |
| 中文关键词: 火焰原子吸收分光光度法 铅 生活垃圾 堆肥 |
| 英文关键词: Flame atomicabsorptionspectrophotom etry Lead Liferefuse Composts |
| 基金项目: |
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| 中文摘要: |
| 建立了硝酸-氢氟酸-高氯酸消解、火焰原子吸收分光光度法测定生活垃圾堆肥产品中铅的方法, 试验了不同消解体系和共存离子对测定的影响。 方法线性良好, 检出限为20 m g/kg(按称取0.5 g试样消解定容至50 mL 计算), 对不同地域堆肥产品测定的RSD为 2.6% ~ 8.7%, 加标回收率为 89.0% ~ 107% 。 |
| 英文摘要: |
| Themethod wasestablished fordetermination ofLead in composting productsofliferefuse by flam eatomicabsorption spectrophotometry. Testsofsample digestion methods and coexistenceion effects were donefordetectcondition selection. Itwasgoodlinearrelationship between Lead concentrationsand instrument responses. The detectionlimitwas20 mg/kg(weighed 0.5 gsample, digested and dilutedwith waterto50mL volume). TheRSD from thecomposting productsin differentregionwerefrom 2.6% to8.7% andrecoveryrates werefrom 89.0% to107%. |
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