Quality control substances of perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in cattle leather powder
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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) 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
RMU183 | 70g/瓶
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Perfluorooctane sulfonate(PFOS) and perfluorooctanoic acid (PFOA) in water
BWQ0549-2016 | 4瓶/套
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牛皮革粉中全氟辛烷磺酸(PFOS)、全氟辛酸(PFOA)质量控制物质(GB/T36929-2018 )(同位素内标法) Quality control substances of perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in cattle leather powder
RMM005 | 10g/瓶
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土壤中全氟辛基磺酸(PFOS)、全氟辛基羧酸(PFOA)质量控制物质(直链)(HJ1334-2023) Perfluorooctane sulfonic acid (PFOS), perfluorooctane carboxylic acid (PFOA) quality control substances in soil (straight chain)
RMU188 | 70g/瓶
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土壤中全氟辛基磺酸(PFOS)、全氟辛基羧酸(PFOA)质量控制物质(直链)(HJ1334-2023) Perfluorooctane sulfonic acid (PFOS), perfluorooctane carboxylic acid (PFOA) quality control substances in soil (straight chain)
RMU187 | 70g/瓶
牛皮革粉中全氟辛烷磺酸(PFOS)、全氟辛酸(PFOA)质量控制物质(GB/T36929-2018 )(同位素内标法)
Quality control substances of perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in cattle leather powder
RMM003
液相色谱-三重四级杆法(LC-MS-MS)。
全氟辛基磺酸(PFOS)
7.87
0.87
mg/kg
全氟辛基羧酸(PFOA)
8.52
0.89
mg/kg
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2. 同位素内标加入:在提取前加入稳定同位素标记的内标;
3. 仪器分析:采用LC-MS/MS进行分离与检测,优化质谱参数;
4. 数据处理:通过内标法计算目标物含量。
2. PFOS和PFOA易吸附于容器表面,需使用甲醇润洗保存;
3. 质谱检测时需监测特征离子对,确保定性定量准确性。
以上信息仅供参考,请以相应标准的原文为准!