The free cyanogen determinator is used to make density analysis of free sodium cyanide in the cyanide leaching solution of gold ore. 游离氰测定仪用于金矿氰化液中的游离氰化钠浓度分析。
The cyaniding sodium plant that is raw material with natural gas to be in northwest area to build reached the verdict that does not have competitive capacity. 并对在西北地区新建以天然气为原料的氰化钠装置得出了不具备竞争能力的结论。
