6-Hydroxy-2,3,3',4,4',5'-hexabromodiphenyl ether

定制混标, Custom Pesticide Standard,100 μg/mL,Methylene chloride-100%

PUFA Esters,0.25% w/v in n-Heptane

甲醇�?0种气态制冷剂混标(符合HJ 1195-2021), Custom Refrigerants Standard @ 500 μg/mL in Methanol

Propaquizafop,100 μg/mL in Acetonitrile

4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone , 1000 μg/mL in MeOH

18种金属ICP混标, Custom ICP Standard @ 1000 μg/mL in Water-95% Nitric acid-5% Hydrofluoric acid-tr