heptahydrate

1.Iron(II) sulfate heptahydrate;

硫;

2.Lanthanum chloride (LaCl3), heptahydrate;

别名名称：Lanthanum trichloride;

3.The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.

用高温煅烧后的闪矿石与稀硫反应制备七水硫和五水硫铜。