The Laboratory techniques reference article from the Simple Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Laboratory techniques

Laboratory techniques are the techniques of handling the various pieces of apparatus.

Table of contents

1 Basic techniques 2 Handling of chemicals 3 Heating techniques 4 Collecting gases 5 Drying substances 6 Smelling gases 7 Testing gases

Basic techniques

Handling of chemicals

Ways to dissolve a solid in a liquid or to mix two liquids in a test tube:

• Shake the test tube gently
• Stir with a glass rod
• Tap the bottom of the test tube with the forefinger
• Pour the contents to and fro between two test tubes
• Stopper the test tube and shake

Heating techniques

Collecting gases

Drying substances

Smelling gases

Testing gases