2) solution of ammonium tungstate
钨酸铵溶液
1.
Comparing the products which were prepared by evaporation and by adding seed crystal and solution of ammonium tungstate at the time of evaporation, we found that the latter was ammonium paratungstate containing 5 molecular of crystal water which was more integrate, thicker and purer.
通过对比蒸发法与在蒸发法中添加晶种和钨酸铵溶液制备的仲钨酸铵产品,结果表明后者制备的晶形更完整、颗粒较粗,且是纯度更高的5水仲钨酸铵。
3) High Purity Ammonium Rhenate
高纯铼酸铵
1.
Determination of Ca,Cd,Mn,Fe,Mg,Al,Cu,Co,Mo,Pb,Sn and Ni in High Purity Ammonium Rhenate by ICP AES;
电感耦合等离子体原子发射光谱法测定高纯铼酸铵中Ca、Cd、Mn、Fe、Mg、Al、Cu、Co、Mo、Pb、Sn和Ni
4) tungstate solution
钨酸盐溶液
1.
Commercial scale test of selective precipitation method for Mo removal from tungstate solution;
选择性沉淀法从钨酸盐溶液中除钼的工业试验
5) sodium tungstate solution
钨酸钠溶液
1.
Study is made of the vanadium extraction from sodium tungstate solution leached out of the secondary tungsten resource.
研究了采用某型树脂从钨二次资源浸出的钨酸钠溶液分离富集钒的效果。
2.
The removal of molybdenum from crude sodium tungstate solution was investigated by cupric sulphate precipitation with the addition of appropriate quantity of sodium sulfide and under suitable conditions.
研究了用硫酸铜沉淀法除去粗钨酸钠溶液中钼的方法。
6) Salkowski's solution
磷钨酸溶液
补充资料：高纯钨
分子式：
CAS号：
性质：纯度达到99.999％和99.9999％，记为5N和6N的纯钨。它的各种杂质元素含量应在(0.1～1000)×10-12之间，对于某些杂质元素的含量，如放射性元素、碱金属元素、重金属元素和气体元素等还分别有特殊的要求。高纯钨及其硅化物用于超大规模集成电路作为电阻层、扩散阻挡层等以及在金属氧化物半导体型晶体管中作为门材料及连接材料等。
CAS号：
性质：纯度达到99.999％和99.9999％，记为5N和6N的纯钨。它的各种杂质元素含量应在(0.1～1000)×10-12之间，对于某些杂质元素的含量，如放射性元素、碱金属元素、重金属元素和气体元素等还分别有特殊的要求。高纯钨及其硅化物用于超大规模集成电路作为电阻层、扩散阻挡层等以及在金属氧化物半导体型晶体管中作为门材料及连接材料等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条