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

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

Product Code. 15250906 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
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Product Code. Capacity (Metric) unitSize
15250906 5 mL (Wide neck) Pack of 2
15260906 10 mL (Wide neck) Pack of 2
15270906 20 mL Pack of 2
15280906 25 mL Pack of 2
15290906 50 mL Pack of 2
15200916 100 mL (Stopper Size 12/21) Pack of 2
15210916 100 mL (Stopper Size 14/23) Pack of 2
15220916 200 mL Pack of 2
15230916 250 mL Pack of 2
15240916 500 mL Pack of 2
15250916 1000 mL Pack of 2
15260916 2000 mL Pack of 2
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Product Code. 15250906 Supplier DWK Life Sciences Supplier No. 246770955
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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 item by item and are marked with an individual number.

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 which are numbered individually, are supplied with an individual certificate. The individual number is permanently laser-etched onto the base of the volumetric flask and is entered on the corresponding certificate. The volume measured for the corresponding volumetric flask, the measurement uncertainty and the day of issue are documented on this certificate. The individual number is a consecutive number and comprises three letters and a four digit number, for example: AAA-0001.

  • 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 Duran Borosilicate Glass (3.3), Polyethylene
For Use With (Application) Storage and transport of light-sensitive materials; 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
Neck Style Wide neck
No. per Pack 2/Pk.
Tolerance ± 0.04 mL
Autoclavable Autoclavable
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