Initial Check Verif. Standard 4, in 4%HNO3, 100ml

Diphenyltin dichloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1135-99-5

2,2-Dichloropropane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 594-20-7

d2 C26 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.