By Leonard, John; Lygo, B.; Procter, Garry
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It should be a record of the exact procedure that was followed for the entire experiment. Even for reactions that do not proceed to give the desired product, it is important to have a good record of the procedure that can be referred to later. For instance, after several attempts to bring about a reaction have failed, it is often possible to learn from what has been done previously to design and carry out a more successful procedure. 3. It should be the main index point that will enable you to find experimental, literature, and spectroscopic data on any compound that you have synthesized.
It is also a good idea to include a summary data sheet in the front of each compound folder. Data sheets can be of a standardized design, with spaces for each type of data that is required. 2. The advantage of this system is that it is easy to see at a glance whether a particular piece of data has been obtained for a compound. However, two disadvantages of the fixed-format data sheet are as follows: it does not provide the flexibility that is often required to record diverse types of data used to characterize any particular compound, and it tends to encourage the mistaken idea that every compound requires the same characterization data.
It should be stressed that a laboratory book is not a format for polished report writing, but a daily log of work carried out in the laboratory. It should record your scientific reasoning. It is most important that each experiment starts with a clear “Aim and Objective” and ends with a “Conclusion” that is related to the aim and objective of the experiment. ” 2. It should be a record of the exact procedure that was followed for the entire experiment. Even for reactions that do not proceed to give the desired product, it is important to have a good record of the procedure that can be referred to later.
Advanced practical organic chemistry by Leonard, John; Lygo, B.; Procter, Garry