【摘要】 本文报导了ppb级血清Cd的直接测定方法。在防尘的工作条件下,对血样不经过任何化学处理,从而减少了被测样品被沾污的可能性,提高了方法的可靠性。本法的CV值约3％,优于国际文献报导值。在复杂的血基质中,亚ppb级Cd的回收率优于93％。方法为现代化医院临床化验提供了一个切实可行的方法。更多还原

【Abstract】 Serum cadmium at ppb levels by a direct atomic absorption spectrophotometric determination is investigated in the present work providing the modern hospitals with a ieasible and reliable approach for the clinical purposes. Specific conditions including dust-proof surrounding and no chemical pre’treatment to the serum samples suggest the results obtained in this work a much lesser likelihood of contamination by foreign traces. The CV values ( 3.07 -3.14 ) reported in the article are superior over the values in foreign literature and the recovery of Cd is better than 93% .更多还原