标准品, Nonafluoro-3,6-dioxaheptanoic 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27种农残混标(组3-符合GB23200.121), 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

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

标准品, Custom VOC Standard @ Varied Conc.

定制25种VOC混标@100 μg/mL in PT Methanol, Custom VOC Standard 3 @ 100 μg/mL in PT Methanol

7种醇类混标,500 ug/mL溶于二氯甲烷, Custom Alcohols Standard @ 500 μg/Ml in Dichloromethane

Custom CFC Standard @ 100 μg/mL in Methanol 100%

22种VOC混标,2000 μg/mL溶于甲醇, Custom VOC Standard @ 2000 μg/mL in PT Methanol