With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.
用氯化作沉淀剂,消除磷酸根离子
干扰,用甲醛法测定复合肥中
。
With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.
用氯化作沉淀剂,消除磷酸根离子
干扰,用甲醛法测定复合肥中
。
Aluminum sulfate, calcium chloride and lime are taken as raw materials.The products have high flocculability because of the existing of sulfate ion .
该工艺以酸铝、铝化
灰为原料,引入
酸根离子,产品
絮凝性能大大提高。
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