标准品, Perfluoro-3-methoxypropanoic acid,2 μg/mL in Methanol

标准品, 2,2,3,3,3-Pentafluoropropionic acid,100 μg/mL in Methanol

氨磺乐灵, Oryzalin,100 μg/mL in Acetonitrile

乙腈中25种农残混标(组12-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

乙腈中29种农残混标(组8-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

定制农药标准变浓的异辛烷50%甲苯50%, Custom Pesticide Standard-Varied Conc.Isooctane50%Toluene50%

定制的VOC储备混合物@ PT甲醇中的30 mg / mL, Custom VOC Stock Mix @ 30 mg/mL in PT Methanol

60种挥发性有机物混标57组分+替代物3组分(4-溴氟苯、二溴氟甲烷、甲苯-D8),100 μg/mL溶于甲醇(HJ 639), Custom VOC Standard @ 100 μg/mL in PT Methanol

定制17种有机锡混标,1000 μg/mL溶于甲醇(以有机锡阳离子计)(GB 20385.1-2021), Custom Organotin Standard @ Varied Conc. In Methanol

标准品, Custom VOC Standard @ Varied Conc.