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LABORATORY INSTRUMENTS
BURETTE
11/22/2011
11/22/2011
11/22/2011
USING A BURETTE• First, we need a Retort stand
to put the burette
• After spilling the liquid, we close the stopcock, on the bottom
• Now we spilt the liquid by a funnel
• Before spilling the liquid, we see the volumetric graduation
• The last step is to open the stopcok, on the bottom, In order that the liquid falls down
11/22/2011
PREACAUTIONS
• Be carefully with the glassware
• Don´t touch the broken glassware
• Don´t touch the broken precision tap
• Not warm very much
• Put correctly the erlenmeyer under the burette
http://www.youtube.com/watch?v=ZmCTUB91HB4
11/22/2011
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