When the synthesized acetone cyanamide was first put through a purification treatment and then used for cyanazine synthesis, cyanazine yield was 90%, while product purity was about 97% and both quality and yield were consistent across batches.

• 对合成的丙酮氰胺进行精制处理，再用来合成草净津，草净津收率90%25；纯度可达97%25左右，且各批次的质量和收率都较稳定。