无机硫酸盐含量的测定 Determination of mineral sulfate content
AZ 91d镁合金首先在无铬的磷酸盐溶液中磷化，然后在硫酸盐镀液中镀镍磷合金。
AZ91D Magnesium alloy samples were pretreated in zinc phosphating bath, and then were plated NiP deposits from the bath containing nickel sulphate.
本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
应用推荐