Duran Burettes, Class AS, with Schellbach stripe, PTFE key, with Straight ground stopcock

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DURAN® Burette Class AS, with Schellbach stripe and PTFE key

with straight standard ground stopcock 30 seconds waiting time with batch certificate and certificate of conformity

Calibration is based on the poured out volume (“Ex”) at a + 20 °C reference temperature.
With circular ring graduations
The quantity of liquid required for titration, which is unknown beforehand, can be precisely read off once the reaction is complete.
With Schellbach stripe
Thanks to the precise scale they are ideal for titration.
Fluid quantity released can be exactly taken from the scale, as the liquid adhesion to the glass is taken into account in the calibration.
Unlike the glass keys, the PTFE keys need not be greased, which makes work in the laboratory easier.
With straight standard ground stopcock
30 seconds waiting time
The volume content tolerances conform to accuracy class AS.

Catalog No	Capacity (mL)	Height (mm)	Graduation Intervals (mL)	Tolerance (mL)	Autoclavable
2433036	50	820	0.1	0.05	1
2433027	10	820	0.02	0.02	1
2433033	25	820	0.05	0.03	1
2433039	100	870	0.2	0.1	1