pH 4.01 buffer solution (box of 25x20mL sachet)

Arochlor 1242 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 53469-21-9

Toluene-d8

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.