Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
化工生产品中的腐蚀
物料,如:烧碱、纯碱、浓稀硫
、碳
、醋
等。
Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
化工生产品中的腐蚀
物料,如:烧碱、纯碱、浓稀硫
、碳
、醋
等。
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稀硫
反应制备七水硫
锌和五水硫
铜。
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.
结果表明硫化铋只能溶于氢卤
(除氢氟
外)、稀硫
与碱金属卤化物的混合液中,不能溶于稀硫
中。
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