Ioannidou M D, Zachariadis G A, Anthemidis A N, Stratis J A
Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24 Thessaloniki, Greece.
Talanta. 2005 Jan 15;65(1):92-7. doi: 10.1016/j.talanta.2004.05.018.
A rapid method for the determination of Pb, Cd, Cu, Cr, Co, Ni, Mn and Zn in honey and sugars without prior digestion or ashing of the sample was developed, using inductively coupled plasma atomic emission spectrometry (ICP-AES). The critical instrumental parameters such as sample flow rate and radio frequency incident power were thoroughly optimized. The effect of matrix type and its concentration was also examined for glucose/fructose, sucrose and honey matrices. The sensitivity was investigated using calibration curves obtained in presence of the above matrices. The obtained recoveries for Cd, Cu, Cr, Co, Ni and Mn at the mugl(-1) level were satisfactory and practically independent of the matrix used for the calibration standards. The recoveries of Pb and Zn were less sufficient. Various commercial samples of honey, sugar, glucose and fructose were analyzed with respect to their toxic metal content. The method can be applied for routine analysis, quality and environmental pollution control purposes at the mugl(-1) level of concentration, after suitable dilution of the samples.
采用电感耦合等离子体原子发射光谱法（ICP-AES），开发了一种无需对样品进行预先消解或灰化即可测定蜂蜜和糖类中铅、镉、铜、铬、钴、镍、锰和锌的快速方法。对诸如样品流速和射频入射功率等关键仪器参数进行了全面优化。还研究了葡萄糖/果糖、蔗糖和蜂蜜基质的基质类型及其浓度的影响。使用在上述基质存在下获得的校准曲线研究了灵敏度。在微克/升水平下，镉、铜、铬、钴、镍和锰的回收率令人满意，且实际上与用于校准标准的基质无关。铅和锌的回收率则不太理想。对各种市售蜂蜜、糖、葡萄糖和果糖样品的有毒金属含量进行了分析。经过适当稀释后，该方法可用于微克/升浓度水平的常规分析、质量控制和环境污染控制目的。
