Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml

PAH/NPD Stock Solution 21 Analytes, each consentration as listed in acetone; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 1.86 µg/mL 0713.11 2-Methylnaphthalene [91-57-6]

Quaterrylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-73-8

(+/-)-Citalopram-d4 hydrobromide (4-fluorophenyl-d4), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1219803-58-3