青云翻译

1 will crumble and mix the sample, the sample weighed 50.00g in 150ml flask, add ethanol 100.0ml, at room temperature oscillation extract 1 hour; then adding anhydrous sodium sulfate 25g, the oscillation at room temperature and then 0.5 hours, to In addition to the water;

1. break mix of samples, sample 50.00g in 150mL in the conical flask, add ethanol 100.0mL, extract 1 hour at room temperature oscillations; then add anhydrous sodium sulfate 25G, oscillation 0.5 hours at room temperature to remove water;

1. pulverizes the sample mixes uniform, called sample 50.00g in the 150mL triangle bottle, joins absolute ethyl alcohol 100.0mL, under the room temperature vibrates withdraws for 1 hour; Then joins anhydrous sodium sulfate 25g, under the room temperature vibrates again for 0.5 hour, the elimination

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1. break mix of samples, sample 50.00g in 150mL in the conical flask, add ethanol 100.0mL, extract 1 hour at room temperature oscillations; then add anhydrous sodium sulfate 25G, oscillation 0.5 hours at room temperature to remove water;