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

标准品, Terbufos Oxon Sulfone,100 μg/mL in Acetonitrile

乙腈中20种农残混标(组13-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

乙腈中25种农残混标(组9-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

24种农残混标-组3,100μg/mL溶于乙腈(烟草检测适用), Custom Pesticide Standard,100 μg/mL in Acetonitrile

27种农残混标,100μg/mL(烟草检测领域), Custom Pesticide Standard,100 μg/mL in Acetonitrile

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),1000 μg/mL溶于甲醇(HJ 639), Custom VOC Standard @ 1000 μg/mL in PT Methanol

定制3种有机锡内标混标,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 SVOC Standard,100 μg/mL,Methylene chloride-100%

定制20种VOC混标@2000 μg/mL in PT Methanol, Custom VOC Standard 1 @ 2000 μg/mL in PT Methanol