M-537.1方法标准溶液,18种全氟类化合物混标, EPA 537.1 Method Standard,2 μg/mL in Methanol

Custom Pesticide Standard @Varied Conc. in 90% Hexane 10% Toluene

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

标准品, 2H-Perfluoro-2-octenoic acid,2 μg/mL in Methanol

标准品, Perfluoro(2-ethoxyethane)sulphonic acid,100 μg/mL in Methanol

乙腈中26种农残混标(组1-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

乙腈中35种农残混标(组7-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

28种农残混标-组2,100μg/mL溶于乙腈(烟草检测适用), Custom Pesticide Standard,100 μg/mL in Acetonitrile

35种农残混标,100μg/mL溶于乙腈(烟草检测领域), Custom Pesticide Standard,100 μg/mL in Acetonitrile

16种半挥发有机物混标,1000 ug/mL 溶于二氯甲烷, Custom SVOC Standard @ 1000 μg/mL in Dichloromethane