另外，推荐一种灰钙纯度的检测方法和根据测试的纯度确定配方的方法。
In addition, a test method is recommended to test purity of ash calcium and formula design based the test result.
产品纯度和结构由气相色谱、气质联用仪及核磁共振仪确定。
The purity and structure of the product was examined by GC GC-MS and NMR.
通过正交设计及极差分析法确定了最佳工艺条件，产品收率达80%以上，纯度可达94%。
The optimum technological conditions were determined by orthogonal test and extreme difference analysis. The yield of product reaches over 80%, and the purity is up to 94%.
应用推荐