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Báo cáo lỗi dịch thuật
Allow the mixture to cool and the crystals to form. CAUTION: Make sure all the fumes are gone before handling the crystals.
Collect the crystals by filtering the liquid. CAUTION: The liquid should be disposed of properly as it contains hazardous chemicals.
Dry the crystals by heating them gently.
Store the crystals in a cool, dry place. CAUTION: This is a schedule II controlled substance and possessing or distributing it is illegal, so handle with "care".
Allow the mixture to cool and the crystals to form. CAUTION: Make sure all the fumes are gone before handling the crystals.
Collect the crystals by filtering the liquid. CAUTION: The liquid should be disposed of properly as it contains hazardous chemicals.
Dry the crystals by heating them gently.
Store the crystals in a cool, dry place. CAUTION: This is a schedule II controlled substance and possessing or distributing it is illegal, so handle with "care".
Dissolve the pseudoephedrine in the toluene or ether.
Heat the mixture gently until the pseudoephedrine completely dissolves.
Add the iodine and hydrochloric acid to the mixture, stirring continuously. CAUTION: This chemical reaction should be done in a well-ventilated area as the fumes are very toxic.
Add the lithium and baking soda slowly, while stirring constantly. CAUTION: This reaction generates heat and gases, so be careful and avoid inhaling the fumes.
Allow the mixture to cool and the crystals to form. CAUTION: Make sure all the fumes are gone before handling the crystals.
Collect the crystals by filtering the liquid. CAUTION: The liquid should be disposed of properly as it contains hazardous chemicals.
Dry the crystals by heating them gently.
Store the crystals in a cool, dry place. CAUTION: This is a schedule II controlled substance and possessing or distributing it is illegal, so handle with "care".