It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯，然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
The concentration of sodium thiocyanate is 40% in the reaction solution.
反应混合液中硫氰酸钠的浓度为40%。
Thirdly, the leakage liquid was recycled so as to improve the recovery rate of sodium thiocyanate.
应用泄漏液循环使用技术，提高产品硫氰酸钠的回收率；
Gel chromatography is an attractive technology to purify the sodium thiocyanate solvent of nitrilon industry.
凝胶色谱法是一种有着广阔应用前景的硫氰酸钠溶剂净化技术。
Brief Introduction the process, principles and operation that recovery in Daqing Petrochemical acrylic sodium thiocyanate from wastewater.
简要介绍了大庆石化腈纶厂回收污水中硫氰酸钠的工艺流程、原理及操作。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
对硫氢酸钠湿法二步法腈纶进行增白，探讨了主要增白工艺条件对增白效果的影响。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
对硫氢酸钠湿法二步法腈纶进行增白，探讨了主要增白工艺条件对增白效果的影响。
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