白绿矾

The copperas, a raw material, was oxidized by the oxidant under certain temperature, and then the sulfuric acid and the catalyst were added to the mixture. After the hydrolisis polymerization curing, the polymeric ferric sulfate was prepared.

采用钛白生产中的副产品绿矾(FeSO47H2O)为原料，在一定的温度下经氧化剂氧化，再加入硫酸和一定量的催化剂经水解聚合、静置熟化制备固体聚合硫酸铁。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。