phosphorous 专八

Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.

阐酸钠溶液除硅、磷、砷的原理,并提具体的操作工艺。

At the same time of adding neutralizing agent the basic fertilizer containing nitrogen, phosphorous and potassium can be added so as to obtain the invented azophoska.

本发明还可在和剂的同时含氮、磷、钾的基础肥料制成氮磷钾复合肥料。

Phosphorous Pentoxide(P 2 O 5 ) ?P 2 O 5 is a kind of light white minicrystal powder which is made by burning phosphorus with excess oxygen.

五氧化二磷（ P 2 O 5 ） ·五氧化二磷是在过量氧气存在下燃烧元素磷得到的白色、微晶体轻质粉末。