Through experimental study of technological plan, the result shows that reclamation rate of sulphuric acid is above 90% and ammoniumsulfate is above 70%.
并对技术方案进行了试验研究，试验结果硫酸回收率达到90%以上，硫酸铵回收率达到70%以上。
2
The main varieties include urea, ammoniumsulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.
主要品种有尿素和硫酸铵、硝酸铵、碳酸氢铵、氯化铵、石灰氨、氨水等。
3
The ferrous oxalate with crystal water was prepared with ferrous ammoniumsulfate and oxalic acid in acid medium.