As one of the developing methods, screening methods are widely applied in modern food analysis. The screening method should be in present of method scope, market residue, target tissue, operation staps and result issue, which are prerequisites of the method evaluations covering sensitivity, selectivity and threshold evaluations as well as validation experiment of collaborative or multi-laboratory study.%筛选法在近代食品分析中得到广泛应用，成为食品分析发展趋势之一。筛选法应提供方法范围、标记残留物、目标组织、操作步骤和结果表述5个技术信息。在提供信息完善的前提下，进行灵敏度、选择性和阈值的评定。评定合格后需完成协同试验或多家实验室验证的验证试验。
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