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DURAN® Volumetric Flask, Class A, amber, batch certificate

DURAN® Volumetric Flask, Class A, batch certificate

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SKU: DUR-2 2467801 Category: Tags: , , , , ,
Description

DURAN® Volumetric Flask, Class A, batch certificate

with printed graduation mark and ergonomic polyethylene stopper

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.

  • Complies with ISO 1042
  • Made 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
Catalog Number Capacity (mL) Diameter d (mm) Height h (mm) Stopper Size Tolerance (mL)
2467801 1 13 65 7/16 +/-0.025
2467802 2 17 70 7/16 +/-0.025
2467809 5 22 70 10/19 +/-0.04
2467810 10 27 90 10/19 +/-0.04
2467812 20 39 110 10/19 +/-0.04
2467814 25 40 110 10/19 +/-0.04
2467817 50 50 140 12/21 +/-0.06
2467825 100 60 170 14/23 +/-0.1
2467832 200 75 210 14/23 +/-0.15
2467836 250 80 220 14/23 +/-0.15
2467844 500 100 260 19/26 +/-0.25
2467854 1000 125 300 24/29 +/-0.4
2467863 2000 160 370 29/32 +/-0.6
2467873 5000 215 475 34/35 +/-1.2
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