prov:value
| - For complete conversion of the resultant conventional alpha, beta and gamma modifications into the new form, these are, for example, dissolved in 5 to 20 times the amount of sulfuric acid, poured into or diluted with water or an alcohol, preferably a low boiling alcohol, for example methanol, ethanol, butanol, glycol or other alcohols boiling up to 200 C., or ground, for example by the known salt
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