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Topic: Science
Number of pages / Number of words: 4 / 1083
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Phenactetin is less soluble in boiling water, so it will need more water to dissolve. The process of recrystallization should commence with a small amount of water and then only adding another small amount if the compound doesn't dissolve in the previous amount at boiling point.

After purification of a compound it should then be analyzed to confirm its identity and amount of purity...


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To do this, a simple melting point measurement can be suitable enough for a compound whose physical properties are already known. This method is useful only for those compounds that are composed of only a small number of substances. The identity of the compound can often be determined by mixing the unknown with an authentic sample of each known compound and measuring the melting point of the mixtures...


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