Quality control substance for benzo [a] pyrene in whole wheat flour
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Quality control substance for benzo [a] pyrene in whole wheat flour
RMT019 | 6支/套(10g/支)
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Quality control substances for benzo [a] pyrene in rice flour
RMT018 | 6支/套(10g/支)
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Quality control substance for benzo a pyrene in feed
RMF020 | 6支/套(10g/支)
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Quality control substances for benzo [a] pyrene in municipal sludge
RMU216 | 6支/套(10g/支)
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Benzo [a] pyrene quality control substance in soil
RMU211 | 6支/套(10g/支)
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Benzo [a] pyrene quality control substance in solid waste
RMU217 | 6支/套(10g/支)
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Benzo [a] pyrene quality control substance in solid waste
RMU218 | 6支/套(10g/支)
您正在浏览的产品:全麦粉中苯并[a]芘质量控制物质(GB5009.265-2021)、(GB5009.27-2016)
手机版:全麦粉中苯并[a]芘质量控制物质(GB5009.265-2021)、(GB5009.27-2016)
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2. 液液萃取:正己烷萃取目标物
3. 净化:硅胶固相萃取柱去除干扰物
4. 浓缩定容:氮吹浓缩后溶剂置换
5. 仪器分析:设置梯度洗脱程序或质谱扫描模式
2. 全麦粉中纤维素可能影响萃取效率,需优化前处理参数
3. 标准曲线需覆盖0.3-50 μg/kg范围,相关系数≥0.995
4. 每20个样品需插入质控样验证系统稳定性
以上信息仅供参考,请以相应标准的原文为准!