TIGER

Videos: 46 results
Weigh a Solid Sample (Procedures and Mistakes)  
Correctly and incorrectly performed steps in weighing a solid sample are shown.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Phenolphthalein  
Animations show the color change due to phenolphthalein in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Bromophenol Blue  
Animations show the color change due to bromophenol blue in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Methyl Orange  
Animations show the color change due to methyl orange in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Bromthymol Blue  
Animations show the color change due to bromthymol blue in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Alizarin Yellow GG  
Animations show the color change due to alizarin yellow GG in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Crystal Violet  
Animations show the color change due to crystal violet in several acid-base titrations.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Titration Curves - Colors of Indicators - Animations  
These animations show how the indicator color in a titration flask changes as titrant is added.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Titration Techniques  
Techniques and concepts important in titrations are demonstrated and discussed.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Inspect and Adjust the Stopcock (Procedures and Mistakes)  
A stopcock should be inspected and adjusted if necessary. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Inspecting the Buret (Procedures and Mistakes)  
Students should carefully inspect a buret and stopcock before use. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Rinsing the Buret with Water (Procedures and Mistakes)  
Before use, a buret should be inspected, rinsed with distilled water, and washed if necessary. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Prepare the Buret (Procedures and Mistakes)  
The buret and stopcock must be inspected and the buret rinsed prior to use. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Obtaining Titrant (Procedures and Mistakes)  
Students should obtain the needed amount of titrant in a beaker that was first rinsed with titrant. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Rinsing the Buret with Titrant (Procedures and Mistakes)  
The buret walls and tip should be thoroughly rinsed with a small amount of titrant. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Filling the Buret With Titrant (Procedures and Mistakes)  
Alternate methods of filling a buret with and without a funnel are shown. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Adding the Indicator (Procedures and Mistakes)  
It is crucial that indicator be added to the sample to be titrated. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Prepare for Titration (Procedures and Mistakes)  
Steps illustrated include obtaining titrant, rinsing a buret, filling a buret, and adding indicator. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Viewing Meniscus At Eye Level  
Here is what the student would see if the meniscus were viewed from eye level.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Do Not View Meniscus From Above  
Here is what the student would see if the meniscus were viewed from above.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Do Not View Meniscus From Below  
Here is what the student would see if the meniscus were viewed from below.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Initial Buret Reading (Procedures and Mistakes)  
The meniscus should be viewed from eye level with a consistent background and recorded in the laboratory notebook. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Beginning the Titration (Procedures and Mistakes)  
Steps at the start of a titration are shown. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver Five Second Flow (Procedures and Mistakes)  
A five second flow of titrant is delivered and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver Long Squirt (Procedures and Mistakes)  
A long squirt (about 0.7 seconds) of titrant is delivered and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver Quick Squirt (Procedures and Mistakes)  
A quick squirt of titrant is delivered and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver Quickly Flowing Drops (Procedures and Mistakes)  
Quickly flowing drops (about 2 per second) of titrant are delivered and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver Slowly Flowing Drops (Procedures and Mistakes)  
Slow flowing drops of titrant are delivered and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Deliver One Drop (Procedures and Mistakes)  
One drop of titrant is delivered and two possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Touch off (Procedures and Mistakes)  
The last hanging drop of titrant is touched off and rinsed down and several possible results are presented.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Wash Down Titrant (Procedures and Mistakes)  
The sides of the flask are rinsed to be sure all titrant delivered is in bottom of the flask and several possible results are shown.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Delivering Titrant (Procedures and Mistakes)  
Several techniques for delivering titrant are demonstrated. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Final Buret Reading (Procedures and Mistakes)  
The meniscus should be read in the same manner as the initial reading. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Perform Titration (Procedures and Mistakes)  
The steps in a titration include reading and recording the initial volume, delivering titrant, observing the endpoint, and reading and recording the final buret volume. Both appropriate and inappropriate examples are included.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Titration (Procedures and Mistakes)  
Correctly and incorrectly performed steps in a titration are shown.
Laboratory Equipment / Apparatus |
Titration / Volumetric 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
Conductimetric Titration  
Aqueous sulfuric acid and barium hydroxide both conduct electricity; distilled water does not. As barium hydroxide solution is added to sulfuric acid, conductivity decreases until it reaches zero at the equivalence point. As excess barium hydroxide is added, the conductivity gradually increases.
Acids / Bases |
Conductivity |
Titration / Volumetric Analysis
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
Variations in Technique for Handling Stopcocks  
Three techniques for using stopcocks including right and left hand control are demonstrated.
Laboratory Equipment / Apparatus |
Titration / Volumetric Analysis
Acid-Base Titrations and Animation  
Videos in this group show titrations of various acids with sodium hydroxide as well as molecular reactions during titration.
Acids / Bases |
Aqueous Solution Chemistry |
Titration / Volumetric Analysis
Redox Titration and Animation  
Videos in this group show a redox titration and the molecular changes during the titration.
Aqueous Solution Chemistry |
Oxidation / Reduction |
Titration / Volumetric 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.
Applications of Chemistry |
Laboratory Equipment / Apparatus |
Quantitative Analysis |
Titration / Volumetric Analysis
Volumetric Pipet  
A volumetric pipet is used to transfer liquid samples of a known volume.
Laboratory Equipment / Apparatus |
Applications of Chemistry |
Quantitative Analysis |
Titration / Volumetric Analysis
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
Solutions  
Reactions and demonstrations exploring the concepts of solutions.
Noncovalent Interactions |
Physical Properties |
Precipitation / Solubility |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Applications of Chemistry |
Acids / Bases |
Aqueous Solution Chemistry |
pH |
Conductivity |
Reactions |
Titration / Volumetric Analysis |
Liquids |
Solids |
Equilibrium |
Transport Properties