Phthalic acid, bis-methylglycol ester, certified, 0.25g

2-Amino-1,6-dimethylfuro[3,2-e]imidazo[4,5-b]pyridine, 0,5mg

Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene

Ammonium hydroxide Solution