Perfluorooctane sulfonate(PFOS) and perfluorooctanoic acid (PFOA) in water
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Quality control substances of perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in cattle leather powder
RMM005 | 10g/瓶
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Quality control substances of perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in cattle leather powder
RMM003 | 10g/瓶
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Perfluorooctane sulfonic acid (PFOS) and perfluorooctane carboxylic acid (PFOA) quality control substances (including straight chain and branched chain) in soil
RMU183 | 70g/瓶
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Perfluorooctane sulfonic acid (PFOS) and perfluorooctane carboxylic acid (PFOA) quality control substances (including straight chain and branched chain) in soil
RMU185 | 70g/瓶
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Perfluorooctane sulfonic acid (PFOS) and perfluorooctane carboxylic acid (PFOA) quality control substances (including straight chain and branched chain) in soil
RMU184 | 70g/瓶
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Perfluorooctane sulfonic acid (PFOS), perfluorooctane carboxylic acid (PFOA) quality control substances in soil (straight chain)
RMU186 | 70g/瓶
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Perfluorooctane sulfonic acid (PFOS), perfluorooctane carboxylic acid (PFOA) quality control substances in soil (straight chain)
RMU188 | 70g/瓶
您正在浏览的产品:水质全氟辛烷磺酸(PFOS)和全氟辛酸(PFOA)质控样品(带提取内标和进样内标)(HJ 1333-2023)
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2. 洗脱与浓缩:用甲醇-乙酸铵溶液洗脱,氮吹浓缩至近干;
3. 仪器分析:流动相为甲醇和2 mM乙酸铵水溶液,梯度洗脱,质谱多反应监测(MRM)模式采集数据。
2. 质控样品需随每批样品同步处理,验证基质效应;
3. 若样品中PFOS/PFOA浓度超出校准曲线范围,需稀释后重新测定。
以上信息仅供参考,请以相应标准的原文为准!