4-n-Octylphenol, 1000µg/mL in MeOH, 1ml

C20Triaromatic sterane/C26Triaromatic sterane C20 Triaromatic sterane (0857,20)/ C26 Triaromatic sterane (0854,26) = 1:3 (0,33) 50 + 150 µg/mL in isooctane, 1mL pr. vial

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml

Tributylphosphine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 998-40-3