All you chemists out there

[gpercivl]

What's the difference between a pipette and a burret?

Both are graduated tubes but the Burette has a stop-cock or tap at the bottom and usually holds larger volumes.

[Ixion]

A pipette has a single mark - it measures only one volume. So you have different sizes. A 50ml pipette only measures 50ml,- you just fill the pipette up to the mark. A burette is a long tube with markings all down the size. So you fill it, take a look, say "OK, the fluids on the 30 mark now, I need 46 ml, so 30 + 46 = 76, I run the fluid out until it reaches the 76 mark". Pipette isn't normally graduated, only has one marking.

[Motu]

So it's a burette,it has a tap,is 50ml and finely graduated - we are working to unknown values...so fill it and measure how much we used.

[Marmoot]

yea hitcher's got the best idea.

i seem to remember our chem teacher telling us last year that the glass 50ml pipettes were about $100, but then again they were pretty accurate.

What's accurate? The pippete or the teacher?

[Colapop]

What's the plastic windy thing that you use till suck up fluid into the pipette called?
a) Cylinder
b) Burette
c) Pippette

[marty]

how about a graduated 5 ml syringe?

[ManDownUnder]

Cheers all - I've got it sussed
MDU