4. to remove volatile petroleum ether, flat out, and baked at a temperature of 100 ◦C until the solvent is evaporated, then left to cool in the jar, the moisture absorption of weighing.
4. The ballast to take the petroleum ether evaporated off. Then baked at a temperature of 100 ◦C until the solvent to evaporate completely, then leave to cool in the bowl dry weight.
4. The liquid yeast to evaporate took petroleum ether, and dried at 100 cream C. The solvent evaporates and then leave until to keep cool in the jar, moisture absorption weighed.