稀硫酸

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

用经高温煅烧后的闪锌矿石与硫反应制备七水硫锌和五水硫。

Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.

工生产品中的腐蚀性物料，如：烧碱、纯碱、浓硫、碳、醋等。

Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.

结果表明硫铋只能溶（除氟外）、硫与碱金属物的混合液中，不能溶硫中。