硫氰酸钠是白色斜方晶系结晶或粉末。相对密度1.735。熔点287℃。在空气中易潮解,遇酸产生有毒气体。易溶于水,乙醇,丙酮等溶剂。水溶液呈中性,与铁盐生成血色的硫氰化铁,与亚铁盐不反应,与浓硫酸生成黄色的硫酸氢钠,与钴盐作用生成深蓝色的硫氰化钴,与银盐或铜盐作用生成白色的硫氰化银沉淀或黑色的硫氰化铜沉淀。该产品属于高环境风险的产品。
反应混合液中硫氰酸钠的浓度为40%。
The concentration of sodium thiocyanate is 40% in the reaction solution.
应用泄漏液循环使用技术,提高产品硫氰酸钠的回收率;
Thirdly, the leakage liquid was recycled so as to improve the recovery rate of sodium thiocyanate.
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。
Gel chromatography is an attractive technology to purify the sodium thiocyanate solvent of nitrilon industry.
应用推荐