Basic laboratory procedures

The Merck Index Budavari, 1999) and the CRC Handbook of Chemistry and Physics (Lide, 2000) are useful sources on the chemical and physical properties of elements and compounds, including melting and boiling points, solubility and toxicity, etc. Manufacturers catalogues now include hazard data and disposal procedures. 

In practical classes, the person in charge has the responsibility to inform you of any hazards associated with the use of chemicals. In project work, your first duty when using an unfamiliar chemical is to find out about its properties, especially those relating to safety. For routine practical procedures, a risk assessment may have been carried out by a member of staff and the relevant safety information may be included in the practical schedule an example is shown in Table 4.1. If not, you will have to carry out a risk assessment before you begin. Before you use any of the chemicals, you must find out whether safety precautions need to be taken and complete the appropriate forms confirming that you appreciate the risks involved. Your department must provide the relevant information to allow you to do this. If your supervisor has filled out the form, read it carefully before signing. 

Wear a lab coat, with the buttons fastened, at all times. 

Make sure you know where safety devices such as eye bath, fire extinguisher, first aid kit are kept before you start work in the lab. 

Wear gloves for toxic, irritant or corrosive chemicals and carry out procedures with them in the fume cupboard. 

Aminobenzene Toxic, harmful by skin absorption. Wear gloves, dispense in fume cupboard 

Using chemicals - be considerate to. ... .T-I. . others aivyays return storeroom chemicals promptly to the correct place. 

Report-when supplies are gettihg low to / the/phrspn responsible forjodking aJfter  

The term Molar/(abbreviated to M) i nTeans number-of rnoles. pbr-litre..Hence [Sh quepus sokttioh qf Hydrochlofio acid- . v 0. Mhhae a x6ncentration0 1).1 mol L V. i equivalent to 3.65 g of hydrogS( hloride Tperl[fre.of sofution. ri -  

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Just in case you are not familiar with basic laboratory procedures, this chapter will explain them to you. These are the most basic lab techniques and almost every method in this entire book will require many, if not all, of the protocols to follow. So pay attention ... 

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