Okamoto K, Morita M, Quan H, Uehiro T, Fuwa K
Clin Chem. 1985 Oct;31(10):1592-7.
Human hair powder reference material was prepared and certified for elemental composition. Human scalp hair (from Japanese men) was washed in a non-ionic detergent solution in an ultrasonic cleaner, dried, ground in an agate ball mill, sieved through a polyethylene net, blended, bottled (1100 vials, 2 g each), and finally sterilized by 60Co radiation. The prepared material satisfied the homogeneity criteria for a reference material. We determined trace elements by inductively coupled plasma atomic emission spectrometry and atomic absorption spectrometry and investigated matrix interference effects. The material was certified by using the data obtained by various analytical techniques; certified values are provided for Ca, Cd, Cr, Cu, Fe, Hg, K, Mg, Mn, Na, Ni, Sr, and Zn. The elemental composition of this reference material is considered similar to normal values for the male Japanese population.
制备了人发粉末标准物质并对其元素组成进行了定值。人头皮毛发（来自日本男性）在超声波清洗器中用非离子洗涤剂溶液洗涤，干燥，在玛瑙球磨机中研磨，通过聚乙烯网筛分，混合，装瓶（1100瓶，每瓶2 g），最后通过60Co辐射灭菌。制备的物质满足标准物质的均匀性标准。我们通过电感耦合等离子体原子发射光谱法和原子吸收光谱法测定微量元素，并研究了基体干扰效应。通过使用各种分析技术获得的数据对该物质进行定值；给出了钙、镉、铬、铜、铁、汞、钾、镁、锰、钠、镍、锶和锌的认定值。该标准物质的元素组成被认为与日本男性人群的正常值相似。
