Chemistry, asked by betulceyda1, 8 months ago

What are the foreign substance limitations related to rectified spirit?

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Answered by priyanshu2776
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Rectified spirit, also known as neutral spirits, rectified alcohol, or ethyl alcohol of agricultural origin[1] is highly concentrated ethanol that has been purified by means of repeated distillation in a process called rectification. In some countries, denatured alcohol or denatured rectified spirit may commonly be available as "rectified spirit".

In its undiluted form, it contains at least 95% alcohol by volume (ABV) (190 US proof) or at least 95% ABV in the European Union.[1] The purity of rectified spirit has a practical limit of 97.2% ABV (95.6% by mass)[2] when produced using conventional distillation processes, as 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.

Neutral spirits can be produced from grains, corn, grapes, sugar beets, sugarcane, tubers, or other fermented plant materials. In particular, large quantities of neutral alcohol are distilled from wine. A product made from grain is "grain neutral spirit", while a spirit made from grapes is called "grape neutral spirit"[3] or "vinous alcohol".[4] These terms are commonly abbreviated as either GNS or NGS

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