标准品, Custom Impurities Mix 2 @ Varied Conc. In Acetonitrile

乙腈中29种农残混标(组8-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

标准品, Polyoxin D

无机混标, Custom ICP Standard @ Varied Conc. in 95% Water 5% Nitric acid tr Hydrofluoric acid

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

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

Mesosulfuron-methyl，100 μg/mL in Acetonitrile

自定义苯酚标准品 @ 1000 μg/mL 甲醇溶液, Custom Phenol Standard @ 1000 μg/mL in Methanol

Gadolinium ICP Standard,10000 μg/mL in 2-5% Nitric Acid

Custom Phosphate Ester Standard @ 1000 μg/mL in Toluene