EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4287-20-025T Calibration Standard PAH III 20mg skal her vare 20ug Compound Prod.no. CAS no. Batch no. Purity Grav. conc.µg/ml Naphthalene 0711,10 90-20-3 0353 99.8 % 20 n-Hexylbenzene 0393,12 1077-16-3 1661 98.4 % 20 1-Methylnaphthalene 0712,11 90-12-0 0354 Price on request 15900-5805-100WS1 Guazatine acetate salt, 100µg/ml in Water, 1ml Price on request 10338.23-10MG (9RS)-9-Hydroxyrisperidone,neat,neat,10mg, Price on request