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[Music] hi Im Jared Hyman an assistant professor of chemistry at Elon University today we will be discussing the proper titration technique using the complete single burette assembly kit available from Carolinas biological supply company this is the first in a two-part video series on titration the purpose of a titration is to quantitatively determine the concentration of an unknown solution commonly called the titrant or analyte by adding a volume of a chemical with a known concentration called the titrant to mark the endpoint of a titration an indicator is added to the analyte lets review some of the equipment thats needed for a titration carolinas complete burette assembly contains the basic equipment to get you started including a burette ring stand and a burette clamp a burette is a long narrow graduated tube used to add titrant it has a stopcock to regulate the flow of liquid notice that the markings on the burette go from lowest at the top to highest at the bottom the ring