The research and development of Chinese sulfur trioxide sulfonation technology is reviewed.
对我国三氧化硫磺化技术的研究开发进行了回顾。
Advances in applications and technology for sulfonation using sulfur trioxide in manufacturing dye intermediates are reviewed.
综述了三氧化硫磺化在染料中间体生产中的应用和技术进展。
The sulfonation technology of the liquid sulfur trioxide was also reviewed.
对液体三氧化硫磺化技术的特点进行了概述。
This paper described the technique of the sulfonation using the liquid sulfur trioxide as a sulfonating agent. The advantages and disadvantages by using this process were pointed out.
叙述了用液体三氧化硫作为磺化助剂的磺化技术，同时，指出了该项技术的优缺点。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
以愈创为原料，用二烷· 三氧化硫加合物（D。S。试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
以愈创为原料，用二烷· 三氧化硫加合物（D。S。试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
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