At last we analyzed the effect of adding seed crystal and solution of ammoniumtungstate on crystal appearance.
最后讨论了添加晶种和钨酸铵溶液对晶体形貌的影响。
2
The preparing processes of ammoniumtungstate solution, ammonium paratungstate crystal and high pure ammonium paratungstate crystal are reviewed.
介绍国内外制备钨酸铵溶液、 仲钨酸铵晶体及高纯仲钨酸铵的制备方法。
3
Ultrafine WO_3 powders were prepared by colloidal chemical method using sodium tungstate, hydrochloric acid and palmityl trimethyl ammonium bromide as starting materials.