更多acetin例句

1. Determine the acetin value of the residue at in terms of glycerol.
2. The glycerine may also be determined by the acetin or bichromate methods after driving off the alcohol and ether if so desired.
3. This residue is taken for the determination of the non-volatile acetylizable impurities (see acetin method).
4. Determine the apparent percentage of glycerol in the sample by the acetin process as described.
5. An approximation to the quantity can be obtained from the spread between the acetin and bichromate results on such distillates.