CLP Calibration Std. I Back Catalog number: 53149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P4MHPS Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol Price on request 71767 Valeraldehyde, 1000µg/ml in Water, 1ml Price on request MI505-100 Reagent kit for 100 tests (Ammonia MR) Contains: 1 x 20mL NH3-1, 1 x 21mL NH3-2 Price on request