Sodium standard

1,2-Dichlorobenzene, 1000µg/ml in MeOH, 1ml

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

Acid red 18 (E124), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 51811-48-4