| Videos: 29 results |
Mixing
Mechanical and manual techniques for mixing substances are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Magnetic Stirrer
A magnetic stirrer is used to mix liquids. Some possible problems in using the stirrer are presented.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Manipulating-Transferring Samples
Laboratory equipment and techniques used to heat, cool, mix, and transfer samples of liquids and solids are shown.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Transfer of a Solid with a Weighing Spoon
A weighing spoon is used to quantitatively transfer a solid that is being weighed.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Transfer of a Solid with a Finger-Held Weighing Bottle
A solid is quantitatively transferred using a finger-held weighing bottle.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Transfer of a Solid with a Paper Strap-Held Bottle
A solid is quantitatively transferred using a paper strap-held bottle.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Transfer of a Solid with a Spatula
A spatula is used to quantitatively transfer a solid to be weighed.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Weighing Errors
Three common errors in weighing are demonstrated: using a container that is too large, improper or inconsistent use of the tare function and failure to open and close the balance door.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Weighing of a Solid Sample
Techniques for quantitatively transferring solid while weighing are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Analytical Balance
Procedures for using an analytical balance to accurately weigh solid samples are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Mass
Three types of electronic balances are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Precision of Measurement
The precision of several types of glassware for measuring volume is demonstrated and discussed.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Buret
Techniques required to use a buret are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Transferring a 25-Milliliter Sample
A 25-milliliter volumetric pipet is used to remove a sample from a volumetric flask and transfer it to an Erlenmeyer flask.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Volumetric Pipet Topics
Techniques for using a volumetric pipet to transfer a known volume of liquid are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Volumetric Pipet
Use of volumetric pipets is demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Pipets
Mohr pipets, volumetric pipets, pipet bulbs, and digital pipettors are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Solid from Dish to Beaker to Volumetric Flask
Steps in the preparation of a solution include the quantitative transfer of a solid from a weighing dish to beaker, dissolving the solid, transfer of the solution to a volumetric flask, dilution to the mark, and mixing.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Solid from Dish to Volumetric Flask
Steps in the preparation of a solution include the quantitative transfer of a solid from a weighing dish to a volumetric flask, dilution to the mark, and mixing.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Preparation of a Solution with a Solid and Deionized Water
Two methods of quantitative preparation a solution from a weighed solid sample are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Volumetric Flask
The purpose of the volumetric flask is discussed and its use is demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Volume
Burets, graduated cylinders, pipets, and volumetric flasks are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Measuring
Measurement of electrical properties, mass, pH, pressure, volume, and temperature are demonstrated along with examples of recording data, spectroscopy, and titration.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Weighing
Techniques for quantitatively transferring solid while weighing are demonstrated.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
Quantitative Techniques in Volumetric Analysis
Here are demonstrations of various techniques of quantitative weighing and transferring solids, transferring liquids and volumetric titration.
Laboratory Equipment / Apparatus |
Quantitative Analysis
|
A Complete Acid-Base Titration
A solid acid is dissolved in deionized water and titrated with sodium hydroxide solution using the color change of an indictor to determine the endpoint.
Quantitative Analysis |
Titration / Volumetric Analysis |
Acids / Bases
|
Quantitative Acid-Base Titration
An acid-base titration is demonstrated along with variations in technique for handling stopcocks.
Quantitative Analysis |
Titration / Volumetric Analysis |
Acids / Bases
|
Transferring a Liquid
Quantitative transfer of a liquid with a Mohr pipet, a volumetric pipet, and a digital pipettor is demonstrated.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis |
Applications of Chemistry |
Quantitative Analysis
|
Titration
A large number of movies and images dealing with titration procedures and techniques are presented.
Laboratory Equipment / Apparatus |
Quantitative Analysis |
Titration / Volumetric Analysis
|
