pH 4.01 buffer solution (box of 25x20mL sachet)

4,6,8-Trimethylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 88565-88-2

1,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-41-1

Alkylated phenols, Special Phenol Mix 100µg/mL in methanol Phenol Catechol Resorcinol o-Cresol m-Cresol p-Cresol 2,3-Dimethylphenol 2,4-Dimethylphenol 2,5-Dimethylphenol 2,6-Dimethylphenol 3,4-Dimethylphenol 3,5-Dimethylphenol 2,3,5-Trimethylpheno