2,5-Dimethylbenzaldehyde-DNPH, 100µg/ml in AcN, 1ml

PAH Solution 25 Natives in Toluene Naphthalene 0711,10 90-20-3 99.9 % 0.1 mg/ml 1-Methylnaphthalene 0712,11 90-12-0 99.9 % 0.1mg/ml Biphenyl 0341,12 92-52-4 99.0 % 0.1mg/ml 2,6-Dime

Carbamazepin, 100mg

EN 15721 Internal Standard Stock Solution, procedure B 1382.2 Ethanol 16mL 8919.5 4-Methyl-2-pentanol 160µL Gives a concentration of approx. 8mg/mL