标准品, Nonafluoro-3,6-dioxaheptanoic acid,2 μg/mL in Methanol

标准品, Custom Impurities Mix 1 @ Varied Conc in Acetonitrile

乙腈中25种农残混标(组11-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

乙腈中27种农残混标(组3-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

标准品, Pyriofenone,100 μg/mL in Methanol

标准品, Custom ICP Standard @ 100 μg/mL in 95% water 5% Nitric acid

Azadirachtin Technical Mixture (Natural Extract),100 μg/mL in Acetonitrile

标准品

定制9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

标准品, Custom Phenols Standard @ 100 μg/mL in Toluene