标准品, 6 Level ASTM/EPA Gasoline Refinery Standards

标准品, Daily Quality Control Standard,Varied conc. by weight

1-(2-吡啶基)哌嗪衍生物1,6-HDI, 1-(2-Pyridyl)piperazine derivative of 1,6-HDI,1000 μg/mL in DMSO

1,2,4,6,7,9/1,2,4,6,8,9-六氯二苯并-对-二恶英, 1,2,4,6,7,9/1,2,4,6,8,9-Hexachlorodibenzo-p-dioxin

D-6379系统分辨率标准, D-6379 System Resolution Standard,Varied conc. in n-Heptane

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

单乙氧基壬基酚, Nonylphenol monoethoxylate,2500 μg/mL in AcCN:MeOH (90:10)

标准品, ASTM Carbamate Standard,Varied conc. in Methanol

硝基芳烃化合物(12组份), DIN-38407-17 Nitroaromatic Compounds,500 μg/mL in Methanol

酚混标, DIN EN 12673 chlorophenols,Varied conc. in Ethanol