Three typical methods for synthesizing methanthiol are introduced: i. e. thiourea-dimethyl sulfate method, alkali sulfide-dimethyl sulfate method, and methanol-hydrogen sulfidemethod.
介绍3种具有代表性的甲硫醇合成方法：硫脲-硫酸二甲酯法、硫化碱-硫酸二甲酯法和甲醇-硫化氢法。
2
The technological process for the preparation of iron yellow from iron sulfide slag by sulfate oxidation method is described.
介绍了以硫铁矿烧渣为原料，采用湿法硫酸盐氧化法制备氧化铁黄的工艺过程。
3
Sulfide in diesel oil is separated by oxidation-reduction method.