The results show that a little amornt of sulfosalts is good for carbonylation of cobaltous chloride, too much of sulfosalts added is harmful to the carbonylation.

• 结果表明少量的含硫化合物可以引发钴盐的羰化反应，过多的添加则会阻断氯苄羰化反应的催化作用。