QC Standard 1

Xanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-47-1

Ammonium as NH3

Methylpropyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2179-60-4