Nitrate as NO3-, 1000µg/ml in water, 100ml

2-(N-methylperfluoro-1-octanesulfonamido)-ethanol, 1.2ml x 50ug/ml, methanol

Multi-Element Internal Std., 10ug/ml, 4x25ml

2-Chloro-1,3-propanediol-disterarate