ASTM D6428 硫的燃烧和电化学检测套标, ASTM D6428-SULFUR SET

ASTM D6428硫的燃烧和电化学检测套标, ASTM D6428-SULFUR SET

ASTM乙醇胺标准品, ASTM Ethanolamine Standard,50 μg/mL in Methanol

标准品, ASTM Carbamate Standard,100 μg/mL in Methanol

标准品, Total Nitrogen Stock Calibration Standard,1000 μg/mL in .1% Hydrochloric acid

卤代乙酸, DIN 38407-25 Selected Halo Acetic Acids,10 μg/mL in MtBE

DIN 38407-3 多氯联苯混标, DIN 38407-3 PCB Mix,20 μg/mL in n-Hexane

多环芳烃混标 6组分, DIN 38407-8 PAH Mix,2 μg/mL in Acetonitrile

石油馏分沸程分布校正标准品, D-2887 Calibration Mix

17组分多环芳烃混标, Proposed DEP(MA)-PAH Mix,1000 μg/mL in CH2Cl2