Ammonia as N, 100µg/ml in Water, 100ml Back Catalog number: 54123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675464 Clindamycin hydrochloride, 50mg Price on request 1634.10-10MG Cimetidine (free base), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 51481-61-9 Price on request L-PFBS Potassium perfluoro-1-butanesulfonate, 1.2ml x 50ug/ml, methanol Price on request