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VWR Traceable Conductivity Calibration Standard 473mL brown glass bottle of reagent grade solution with accuracy of +-0.25micromhos. Conductivity: 5 micromhos. Resistivity: 0.2 megohms. Dissolved Solids: 3.3 ppm. NIST traceable certificate from ISO 17025
BDH HF Bottle Top Dispenser Bottle-top dispenser is designed for use with BDH Aristar Ultra to maintain product purity. Dispenser also fits Aristar Plus Ammonium Hydroxide and Hydrofluoric Acid bottles.
