简述食品样品采样步骤。
采样一般分三步,依次获得检样、原始样品和平均样品。由分析对象大批物料的各个部分采集的少量物料称为检样;许多份 检 样 综 合在一起称为原始样品;原始样品经过技术处理,再抽取其中的一部分供分析检验的样品称为平均样品。
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