0.5 Safety in the laboratory

Introduction

A laboratory (be it for physics, chemistry or other sciences) can be a very dangerous and daunting place. However, if you follow a few simple guidelines you can safely carry out experiments in the lab without endangering yourself or others around you.

General safety rules

The following are some of the general guidelines and rules that you should always observe when working in a laboratory.

1. Do not eat or drink in the lab. Do not use lab glassware to eat or drink from.
2. Always behave responsibly in the lab. Do not run around or play practical jokes.
3. In case of accidents or chemical spills call your teacher at once.
4. Always check with your teacher how to dispose of waste. Chemicals should not be disposed of down the sink.
5. Only perform the experiments that your teacher instructs you to. Never mix chemicals for fun.
6. Never perform experiments alone.
7. Always check the safety data of any chemicals you are going to use.
8. Follow the given instructions exactly. Do not mix up steps or try things in a different order.
9. Be alert and careful when handling chemicals, hot glassware, etc.
10. Ensure all bunsen burners are turned off at the end of the practical and all chemical containers are sealed.

Hazard signs

The image below lists some of the common hazards signs that you may encounter. You should know what all of these mean.

Notes and information

You can find safety data sheets at Merck . You should always look at these data sheets anytime you work with a new chemical.

You should always try dispose of chemicals correctly and safely. Many chemicals cannot simply be washed down the sink.