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

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DURAN® Volumetric Flask, Class B, with scratched graduation mark and ergonomic polyethylene stopper, 25 mL
Volumetric 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 1042
• Manufactured from borosilicate glass 3.3
• Outstanding precision during volumetric measurement and high-quality process stability
• Thanks to the exact processing and precisely calibrated scales, they permit the highly accurate determination and measurements of volume
• Supplied with ergonomic polyethylene stopper for easy and safe tightening or removal
• Calibration based on the poured in volume (“In”) at a + 20 °C reference temperature
• The volume content tolerances conform to accuracy Class A
• With printed ring mark for better visibility
• Fired-on, highly durable blue print

Application: 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.