1) rough gold and silver powder
粗金粗银
2) unpurified silver
粗银
1.
High purity flake silver powers, which are mainly used as electric paste in electric industry, can be manufactured by the novel method using unpurified silver as raw material.
以未经电解的粗银为原料 ,氧化银和银氨溶液为中间产物 ,用甲醛为还原剂 ,采用行星式球磨方式可以制备高纯度片状银粉。
3) Honeysuckle crude extract
金银花粗提取物
4) dore silver
多雷含金粗银
5) crude Copper with high content Silver
高银粗铜
1.
The crude Copper with high content Silver recovered from the concentrate of Antimony-Lead Sulfide has to sell at lower price.
从脆硫铅锑矿冶炼渣中回收的高银粗铜(含Cu 88。
6) raw Ag powder
粗银粉
1.
After decomposition of Mn-Ag concentrates and raw Ag powder samples with HCl-HNO_(3)-H_(2)SO_(4), Ag in the sample solutions was determined by KSCN-volumetry.
对某地锰银精矿及冶炼半成品———粗银粉,采用湿法溶样后,直接采用硫氰酸钾容量法测定Ag,对w(Ag)为0。
