The organic solvent adopts methanol, ethanol and isopropyl alcohol, the thiolation agent adopts sodium hydrosulfide, sodium sulfide and thiourea.
所述的有机溶剂采用甲醇、乙醇、异丙醇，巯基化试剂采用硫氢化钠、多硫化钠、硫脲。
The said treatment process can eliminate the effect of the impurity and produce sodium hydrosulfide product similar to that produced through barium salt process.
经处理的硫氢化钠可彻底消除杂质的影响，用它与钡盐法生产的硫氢化钠进行多项应用对比，二者品质完全一致。
In order to reduce raw material costs, this topic then studied at the condition of atmospheric pressure taking hydrosulfide sodium as materials to synthesis sodium thioglycolate kettle-style process.
为了进一步降低生产成本，本课题继而研究了常压条件下硫氢化钠法合成巯基乙酸钠的工艺过程。
In order to reduce raw material costs, this topic then studied at the condition of atmospheric pressure taking hydrosulfide sodium as materials to synthesis sodium thioglycolate kettle-style process.
为了进一步降低生产成本，本课题继而研究了常压条件下硫氢化钠法合成巯基乙酸钠的工艺过程。
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