Posts Tagged ‘titration’

How to Avoid Meniscus Measuring Errors

Glass tube lab pipettes and burettes are capable of precisely dispensing reagents into samples but require outstanding patience and an accurate eye to take into account the meniscus of the reagent.  Most menisci are concave or U-shaped with the liquid in contact with the tube wall reading higher than at the center.   This property characterizes…

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Bottle-Top Burette Purchasing Decisions

What to Look for in a Bottle-Top Burette Burettes and their close cousin pipettes are used for precision metering and dispensing reagents into a solution, usually as part of performing a chemical analysis.  Burets are glass tubes with capacity markings in milliliters.  They have a valve at the bottom that is used by researchers to…

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