Bisoprolol, 100µg/ml in MeOH, 5ml

2,2-Bis-(4-hydroxyphenyl)hexafluoropropane-d4, 10mg (Bisphenol AF-D4)

3-Nitrobenzofuran,100 µg/mL,toluene,1mL,

ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5