Volumetric glassware

DURAN® volumetric flask

with circular graduation mark and plastic stopper from PE, finely ground stopperbed, suitable for standard ground stoppers

Calibration is based on the poured in volume (“In”) at a + 20 °C reference temperature. The volume content tolerances conform to
accuracy class A, the accuracy limits of the German weights and measures regulations and DIN and ISO specifications.

Typical applications: precise measurement of specified liquid amounts, preparation and storage of standard solutions.

Cat. No. Capacity
ml		 Accuracy limits
± ml		 h
mm		 d
mm		 Stopper-
size		 Pack
Quantity
21 678 07 5 0,025 70 24 7/16 10
21 678 08 10 0,025 90 28 7/16 10
21 678 12 20 0,04 110 37 10/19 10
21 678 14 25 0,04 110 39 10/19 10
21 678 17 50 0,06 140 49 12/21 10
21 678 24 100 0,1 170 61 12/21 10
21 678 25 100 0,1 170 61 14/23 10
21 678 32 200 0,15 210 76 14/23 10
21 678 36 250 0,15 220 81 14/23 10
21 678 44 500 0,25 260 101 19/26 10
21 678 54 1 000 0,4 300 127 24/29 10
21 678 63 2 000 0,6 370 161 29/32 10
21 678 73 * 5 000 1,2 470 217 34/35 1

* Non-ISO size.