Perfluoro-n-pentanoic acid, 50µg/ml in MeOH, 1,2ml

Custom nitrosamine-control mix 7 components, each 500µg/mL in acetonitrile 9666.4-K-AN N- Nitrosodiethanolamine 1116-54-7 NDELA 9004.2-2K-DC N-Nitrosodimethylamine 62-75-9 NDMA 9006.4-2K-DC N-Nitrosodiethylamie

2,2',3,3',4,5,5',6-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

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