摘要
通过对冰片的重复升华及投料量的不同,测定其产品主、副成分含量变化以找出产品质量降低的原因。
Through the repeated sublimation with different weight of d-Borneol,the content changes of main and accessory elements were determinated in order to know why the product's quality lowered.
出处
《江西林业科技》
2003年第5期16-17,共2页
Jiangxi Forestry Science and Technology
关键词
天然冰片
重复升华
脱氢
樟脑
d-Borneol
Repeated sublimation
Dehydrogenation
Camphor