How do you know when to use a pipet vs buret vs graduated cylinder vs volumetric flask? Is there any way to specify when to use each one based on the volume that needs to be measured?
Lab question
- Thread starter user122
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From my previous lab experiences I think for pipet the largest one is 1ml. It could go down to 1 microL. Buret maybe up to 20 ml, not too sure. Graduated cylinder /flask no idea since I'm not a chem person lol. Hope it helps.
Pipets: usually used for small, precise volumes
Burets: usually used for titrations/column chromatography
Graduated cylinders: 10mL is a "standard" in many labs, others will also have 25mL - graduated cylinders have markings so that when you read the meniscus of your solution (ex. water), you can estimate to two decimal points.
Volumetric flasks: usually used to measure a very precise volume - there's usually only one mark etched on the neck of the flask
IDK, hope that helps.
Burets: usually used for titrations/column chromatography
Graduated cylinders: 10mL is a "standard" in many labs, others will also have 25mL - graduated cylinders have markings so that when you read the meniscus of your solution (ex. water), you can estimate to two decimal points.
Volumetric flasks: usually used to measure a very precise volume - there's usually only one mark etched on the neck of the flask
IDK, hope that helps.
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Also be prepared to get question where buret is given with solution miniscus and you are asked to read it for example i was give a picture of buret filled between 5 - 6 ml and asked if it's 5.8 , 5.7, 6.1, 6.2 etc....
if you just don't know ...always read buret from top to bottom.....as the buret numbering starts from top starting with 0ml
if you just don't know ...always read buret from top to bottom.....as the buret numbering starts from top starting with 0ml
