Indan

Tris(3-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

pH 1.0 Standard @ 25°C

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)