标准品, 2H,2H,3H,3H-Perfluorooctanoic Acid,2 μg/mL in Methanol

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

乙腈中25种农残混标(组11-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

定制11种SVOC混标1000 μg/mL溶于乙酸乙酯(GB5749), Custom Pesticide Standard @1000 μg/mL in Ethyl acetate

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

定制29种VOC混标2000 μg/mL溶于甲醇(天津地标 DB 12/524-2020), Custom VOC Standard @ 2000 μg/mL in PT Methanol

7种有机磷混标,适用于DZ/T 0064.72-2021地下水分析方法, Custom Pesticide Standard @ 2000 μg/mL in Acetone-100%

19种半挥发有机物混标,5000 μg/mL 溶于二氯甲烷, Custom SVOC Standard in Dichloromethane

Custom SV Standard @ 1000 μg/mL in 50% Hexane 50% Toluene