I want to know the name of this equipment with a sealed graduated tube and the purpose it's being used.
I went through all the results of Google, but I was unable to find this exact equipment. I believe someone here should know this very well.
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1$\begingroup$ What's the piece you're holding? $\endgroup$– BeerhunterCommented Oct 16, 2015 at 22:51
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$\begingroup$ @Beerhunter What do you mean? I'm also asking what's that :) $\endgroup$– Nimeshka SrimalCommented Oct 18, 2015 at 12:54
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1$\begingroup$ The glass piece, just out of shot, being directly held $\endgroup$– BeerhunterCommented Oct 18, 2015 at 22:46
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$\begingroup$ Oh, it's the base stand of the equipment. Just a circular glass base which helps you to keep it on a table, you know. Nothing is hidden in the pic. Suppose my hand is the table, it's like now it's kept on the table :) $\endgroup$– Nimeshka SrimalCommented Oct 20, 2015 at 3:52
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2 Answers
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This lab equipment is called 'Fermentation Tube'.
If you want to see how an experiment is carried out with this equipment, please watch the video below.
Mark Garcia: Lab Protocol - Fermentation in Yeast (Unit 9 Respiration); YouTube
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4$\begingroup$ We use these in one of our Nursing Chemistry labs on carbohydrates. They show that not all carbohydrates will ferment. $\endgroup$ Commented Jan 30, 2016 at 5:15
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The piece is a type of eudiometer also called a gas measuring tube. The graduations are for measuring gas collected and the bulb is used to hold liquid to assist in filling the tube with liquid.