Sildenafil-d8 (piperazine-d8),neat,neat,5mg

Internal Standard for GC-analysis of PAH compounds 4 Analytes, each 500 µg/mL in dichloromethane; units:1x5mL 0393.12 1-Phenylhexane [1077-16-3] 0728.12 2,3-Dimethylnaphthalene [581-40-8] 0768.16 3,6-D

2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Ethephon, 10 µg/ml, Acetonitrile, 10ml