A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.
研究了在酸性介质中，钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。
2
Orthogonal experiment defined low temperature phosphate liquid which used the following substances as its promoter, such as nitrite, nickel, and molybdate salts, organic additive, etc.
通过正交实验，确定了以亚硝酸盐、镍盐、钼酸盐、有机添加剂等为促进剂的低温磷化液。
3
The process for electroless nickel plating of AM60 magnesium alloy in a nickel sulfate bath, based on etching in acidic molybdate and activation in alkali molybdate, was studied.