DURAN® Volumetric Flask, Class B, white print, with ergonomic polyethylene stopp

DURAN® Volumetric Flask, Class B, with scratched graduation mark and ergonomic polyethylene stopper, 5 mLVolumetric flasks are available in two different accuracy Classes: Class A and Class B. The two Classes differ in the accuracy of measurement with Class A being the highest accuracy, and Class B is approximately half that of Class A. The volumetric flasks with accuracy Class A have a blue print for clear glass products and a white print for amber versions. The accuracy Class B products have a white print. For these products only a general glass specification is available. Features and Benefits:Complies with ISO 1042Manufactured from borosilicate glass 3.3Outstanding precision during volumetric measurement and high-quality process stabilityThanks to the exact processing and precisely calibrated scales, they permit the highly accurate determination and measurements of volumeSupplied with ergonomic polyethylene stopper for easy and safe tightening or removalCalibration based on the poured in volume (“In”) at a + 20 °C reference temperatureThe volume content tolerances conform to accuracy Class AWith printed ring mark for better visibilityFired-on, highly durable blue printApplication: Preparation and storage of standard solutions, Measuring liquid amounts, Diluting solutions, Mixing several components, Measurement analysis, Volumetric measurement, To ensure a long service life for your volumetric glassware and to exclude possible volume changes, these glass products should not be heated above + 250 °C in drying cabinets or sterilisers. more