<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">  本标准物质主要用于粮食及其加工产品和用粮食加工生产的食品、饲料等相似制品中的粗蛋白质、粗脂肪、粗纤维测定所用仪器的校准和分析方法准确度的评价，亦可用于实验室内部分析测定过程中的质量控制。<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

1.<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">制备方法<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">    本标准物质基体选用我国产硬红冬麦，经清理除杂、清洗、制粉、干燥、混匀、均匀性初检、包装（80g）、Co<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;vertical-align:super;"="" style="box-sizing: border-box;">-60<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">辐照灭活，均匀性检验、稳定性考察、多家实验室定值后制备完成。<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

2.<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">标准值及不确定度<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">    *粗蛋白质计算系数为5.7，各标准值为干基含量。<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

3.<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">定值方法<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">    本标准物质粗蛋白质用蛋白质测定仪、粗纤维素用纤维素测定仪、粗脂肪用脂肪测定仪，经标准化后采用多家实验室定值。<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

4.<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">使用及贮存<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">    本标准物质应贮存低于20℃环境温度并避光的干燥处。用前摇匀，开瓶后应保存于冰箱冷藏室。建议粗蛋白最小取样量为0.2g；粗纤维素最小取样量为2g；粗脂肪最小取样量为5g.<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">

<spanyes’;font-family:方正宋黑简体;mso-hansi-font-family:华文中宋; font-size:10.5000pt;mso-font-kerning:1.0000pt;"="" style="box-sizing: border-box;">    注意：结块不能混匀时不得使用。