When we adopt the amount of settling matter as a checking standard, substrate purity 10%, we can have a highest yield rate.
当以下层沉淀物得率为考察指标时，底物纯度为10%时，大豆异黄酮得率最高。
2
It is important to study the methods of checking chromatographic peak purity of explosives for preparations qualitative and quantitative analysis of the substance.