Melting Point Analysis: Pure or impure?

Time to complete course: 15 min.

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About Melting Point Analysis: Pure or impure? Virtual Lab Simulation

About this simulation

Melting organic solids: it’s the same principle as when ice melts! In this simulation, you will be introduced to the melting point analysis technique and apply it to organic syntheses you would carry out in the lab. Uncover one of the simplest and most informative techniques for indicating substance purity and learn how to determine whether you synthesized a pure substance using the recorded data and graphs.

Sample preparation

Get first-hand virtual lab experience preparing a sample for melting point analysis. Start by learning the correct protocol for sample loading, including how to choose the right tube for the machine and amount of sample required. Tips and tricks like these will help ensure maximum accuracy and precision for the sample measurement. 

Test your creativity!

One of the great things about being in a virtual lab is that you can break apart the machine. Uncover the key components behind a functioning melting point machine to understand the conditions required to melt your sample. You’ll even get the chance to build your own functional melting point machine from common laboratory equipment! 

Analyze substance purity graphs

Get a deeper look at what is happening with your sample inside the machine using our high tech hologram! Observe the different stages of melting: Moistening Point, Sintering Point, Meniscus Point and Clear Point. Learn about the states of matter when the solid sample reaches each of these stages and relate them to the plotted points on a substance purity graph, also known as the heat curve for a solid compound. 

Get Started Now

Learn the techniques and application of melting point analysis and substance purity graphs. Explore the application of the technique in organic syntheses when determining the purity of a solid organic compound.

Techniques in Lab

  • Melting Point 

Learning Objectives

  • Understand melting point equipment mechanics and basic principles of usage
  • Prepare a sample for melting point analysis
  • Detail the principles of using the melting point as an indicator of substance purity

Simulation Features

Length – 15 minutes
Accessibility mode – Not Available
Languages – English

Examples of Related Standards

University

Early Stage Bachelors Level
EHEA First Cycle
Support for laboriatory skills at all levels
US College Year 1
US College Year 2
US College Year 3

IB

Chemistry 5

AP

Chemistry Unit 9

Screenshots of Melting Point Analysis: Pure or impure? Virtual Lab Simulation

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