留样管理 Sample retention management

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常规留样为留样备查品，作为生产过程中出现异常、产品在贮存期间或销售过程中出现异常时，复检用样.

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Routine retention samples are reserved for future reference and are used for retesting in case of abnormalities during production, storage, or sales

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原辅料入厂检验，抽样检测，留样保存

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Incoming inspection of raw materials, sampling testing, and retention of samples for storage

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常规留样一般应不低于检验频次，原辅料的留样量足够测量此样的所有技术指标；长期留样每个品种最少 1个.

                               
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The regular retention sample should generally not be less than the inspection frequency, and the retention amount of raw materials should be sufficient to measure all technical indicators of the sample; Long term retention of at least one sample per variety

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储存环境为干燥、透风、避免阳光直晒，室温下保存.

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The storage environment should be dry, ventilated, and avoid direct sunlight. It should be stored at room temperature

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留样品应易于识别，做有标记，批号、来源、日期等重要信息应清晰明确，所有留样品应同时记录在《留样登记表》上，做好登记

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The retained samples should be easy to identify, marked, and important information such as batch number, source, and date should be clear and explicit. All retained samples should be recorded on the 'Sample Retention Registration Form' and properly registered