Some carbons are activated or washed with phosphoric acid, zinc chloride, or potassium hydroxide.
一些碳被激活或磷酸，氯化锌或氢氧化钾，洗净。
2
The production method of potassium dihydrogen phosphate is discussed emphatically, in which ammonium bicarbonate, potassium chloride and phosphoric acid are used as raw materials.
重点介绍了以碳酸氢铵、 氯化钾、 磷酸为原料生产磷酸二氢钾的新方法。
3
Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.