求翻译：利用乙腈分离黑索今与黑索今酮混合物得到黑索今酮质量最多，熔点与文献值接近，熔程较短，且经过液相色谱测定利用乙腈分离出的黑索今酮纯度在90%以上；另外对制备黑索今酮的硝化液安定性进行了考察，20℃时，硝化液的安定性良好。是什么意思？

Use of acetonitrile separation of RDX and RDX ketone mixture this RDX ketone quality up, melting point with literature values ​​close to the melting process is shorter, the use of acetonitrile isolated after liquid chromatography determination of RDX ketone purity of 90% ; on the stability of the ni

I use black nitrile separation in this and the black mixture in the methadone methadone is black in this quality up to its melting point, and with literature values close to melt away, and after a short liquid chromatography separation measured using B nitrile in the black this methadone purity in m

Separates Hexogen and Hexogen alkone mixture using the second grade nitrile obtains Hexogen alkone quality to be most, the melting point and the literature value are close, melt Cheng Jiaoduan, also after the liquid chromatography determination Hexogen alkone purity which separates using the second

Uses b nitrile separation black Suo Jin and black cable this ketone mixture are Hei suo this ketone quality up, melting point and literature value close to, melt thread more short, and after liquid phase color spectrum determination uses b nitrile separation out of black cable this ketone purity in

正在翻译，请等待...