Stablcal Oplossing van troebelheidsstandaard 20 NTU (1000 ml)

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Stablcal Turbidity Standard for all Turbidimeters. USEPA accepted for calibration purposes. Stablcal Stabilized Formazin Turbidity Standards are true Formazin dilutions developed for use in any turbidimeter. NTU Value: 20.0. Bottle: 1000 mL (1 L).