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

20组分定制混标, Custom BDE Standard @ 100 μg/mL in Toluene

Dicapthon,1000 μg/mL in Acetonitrile

N-ethylperfluoro-1-octanesulfonamidoacetic acid (linear),2 μg/mL in Methanol

4种氘代内标混�?2000 μg/mL溶于丙酮(HJ 1189-2021), Custom Labeled Standard @ 2000 μg/Ml in Acetone

D6379-System Resolution Standard,Varied concentrations in Heptane

甲醇�?3种苯胺类�?种联苯胺混标(HJ 1210-2021), Custom SVOC Standard @ Varied Conc in Methanol