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Burette, 50 ml capacity, glass bead stopcock

Item# CE-BURSET

In Stock

$14.40 in_stock
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  • 10 $12.96
Quick Overview:
This economical glass burette, with 0.1 ml divisions, regulates fluid flow with a glass-bead stopcock.
Ages 12+

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Shipping Note: This bulky item ships Economy or Ground Service to a street address in the 50 US states.

Burette, 50 ml capacity, glass bead stopcock

Item# CE-BURSET

This economical glass burette, with 0.1 ml divisions, regulates fluid flow with a glass-bead stopcock. Burettes are used to accurately measure out chemical solutions.

Note: To regulate fluid flow with this pinch-clamp stopcock, squeeze the rubber tubing right on the bead while pushing it a little to one side, thus creating a gap along the side of the bead for liquid to pass through.

Customer Reviews

Items 1 to 5 of 14 total

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made well, works well Review by
This flow is controlled by the bead (not a stopcock). I would make sure this is the type I want before I place the order.
not pleased Review by
I could not get this buret clean, before I used it, with detergent, or acetone. Water did not drain cleanly from about the 49 mL mark and below. Also, the tubing did not stay on the glass tube. I finally "wired" it on with a tie, But then the tubing sprung a leak. I may have caused this by trying the acetone rinse, but I would certainly expect better quality tubing that this.
ok Review by
The buret works well. Students struggle to learn to use. I describe it as pinching the tubing right on the glass bead. Important to instruct them to get airbubbles out of tip and tubing before recording their initial reading. Also to double check their readings since the gradations are "upside down" compared to a graduated cylinder.
How to use Review by
Instructions would have been helpful. I had never seen this primitive type of valve before. You need to squeeze the rubber tubing right on the bead, pushing it a little to one side, so that a gap is created along the side of the bead for liquid to pass through.
How do i use? Review by
No instructions with how to use glass bead stopcock

Items 1 to 5 of 14 total

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Page:
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  3. 3
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