AccuStandard
PUFA Esters,0.25% w/v in n-Heptane
甲醇中10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