生物成分系列标准物质的研制

Preparation and Certification of Biological Reference Materials

摘要: GSB系列生物标准物质包括大米、小麦、玉米、黄豆、圆白菜、菠菜、茶叶、奶粉、鸡肉和苹果等10种生物样品，用冷冻干燥等技术制备。由14个分析水平较高的实验室协作，采用等离子体质谱、等离子体光谱和仪器中子活化为主的10余种分析方法测试，共进行了22477次测定，取得了5136组平均值数据，定值元素59种，定标准值元素54种。

Abstract: A series of ten biological tea, milk powder, chicken meat and reference materials including rice, wheat, corn, soybean, apple was prepared and certified. The freezing cabbage , spinach, and drying technique was used in sample preparation and a co-laborato