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  5. DWK Life Sciences DURAN™ Volumetric Flask, Class A, amber, batch certificate

DWK Life Sciences DURAN™ Volumetric Flask, Class A, amber, batch certificate

Product Code. p-7189148 Shop All DWK Life Sciences Products
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Capacity (Metric):
10 mL (Wide neck)
100 mL (Stopper Size 12/21)
100 mL (Stopper Size 14/23)
1000 mL
20 mL
200 mL
2000 mL
25 mL
250 mL
5 mL (Wide neck)
50 mL
500 mL
Unit Size:
Pack of 2
This item is not returnable. View return policy
This item is not returnable. View return policy

Description

DURAN™ volumetric flasks are used for the accurate measurement of specific quantities of liquids. They are volumetric analysis aids in quantitative laboratory work. These volumetric flasks are certified by batch.

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. Volumetric flasks with a batch number and accuracy Class A are supplied with a batch certificate. This certificate documents the mean value obtained from measuring the batch in question, the standard deviation and the day of issue. The batch certificates can also be retrieved online. The batch number consists of four digits. The first two numbers specify the production year, and the following two numbers specify the batch, e.g.: 18.01.

  • UV protection due to external colouration
  • The only external application of the colour ensures that internal surfaces have standard DURAN™ glass properties
  • Very durable and chemically resistant amber colour
  • Calibration based on the poured in volume (In) at a + 20°C reference temperature
  • 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
  • The volume content tolerances conform to accuracy Class A
  • Fired-on, highly durable white print
TRUSTED_SUSTAINABILITY

Specifications

Diameter (Metric) Base 22 mm
Capacity (Metric) 5 mL (Wide neck)
Material Borosilicate Glass (3.3), Polyethylene
For Use With (Application) Storage and transport of light-sensitive materials; 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
Neck Style Wide neck
No. per Pack 2/Pk.
Tolerance ± 0.04 mL
Autoclavable Autoclavable
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