Chemistry, asked by singh4842, 1 year ago

Difference between surgical spirit and rectified spirit

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Answered by chirag477
6
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Rectified spirit, also known as neutral spirits, rectified alcohol, or ethyl alcohol of agricultural origin is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is called rectification. In some countries (e.g. India), denatured alcohol or denatured rectified spirit may commonly be available as "rectified spirit", but it is poisonous and ingestion can be fatal.

In its undiluted form, it contains at least 95% alcohol by volume (ABV) (190 US proof) in the United States, or at least 96% ABV in the European Union, respectively. The purity of rectified spirit has a practical limit of 97.2% ABV (95.6% by mass) when produced using conventional distillation processes, because a mixture of ethanol and water becomes a minimum-boiling azeotrope at this concentration. Rectified spirit is typically distilled in continuous multi-column stills at 96–96.5% ABV, and diluted as necessary.

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