Riemschneider R, Martins A F
Geburtshilfe Frauenheilkd. 1978 May;38(5):371-5.
The copper content of human placenta determined by means of the Bathocuproinemethod lies at 1,21 +/- 0,18 ppm in the fresh and 7,06 +/- 1,04 ppm in the dried material. Furthermore an improved generally applicable method for decomposition of biological materials that prevents the volatilization of trace elements is described.
采用双环己酮草酰二腙法测定,新鲜人胎盘的铜含量为1.21±0.18 ppm,干燥材料中的铜含量为7.06±1.04 ppm。此外,还描述了一种改进的、普遍适用的生物材料分解方法,该方法可防止微量元素挥发。