DURAN® Burette, Amber, Class AS, with PTFE key and straight standard ground joint


-Complies with ISO 385
-Manufactured from borosilicate glass 3.3
-UV protection through amber glass
-The quantity of liquid required for titration, which is unknown beforehand, can be precisely read off once the reaction is complete.
-Unlike the glass keys, the PTFE keys need not be greased, which makes work in the laboratory easier.
-Calibration is based on the poured out volume (“Ex”) at a + 20 °C reference temperature.
-The volume content tolerances conform to accuracy class AS
-Easy-to-read scale with graduation marks to estimate the content.
waiting time: 30 seconds
-Fired-on, highly durable white ceramic



 

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