2,3,7,8-Tetrabromodibenzo-p-dioxin

标准品

标准品, Perfluoro(4-methoxybutanoic) acid,2 μg/mL in Methanol

3种杀虫剂混标(环酰菌胺/螺虫乙酯/甲基硫菌灵), Nevada Cannabis Pesticide Mix 2,100 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

20种挥发性有机物混标,30000ug/mL溶于甲醇, 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),1000 μg/mL溶于甲醇(HJ 639), Custom VOC Standard @ 1000 μg/mL in PT Methanol

标准品, Custom SVOC Standard,100 μg/mL,Methylene chloride-100%

定制4种有机磷混标,2000 μg/mL溶于乙腈(HJ 1183-2021), Custom Pesticide Standard @ 2000 μg/mL in Acetonitrile-100%

Prohexadione,100 μg/mL in Acetonitrile

Custom VOC Standard Mix @ 100 μg/mL in Methanol