发明授权
US08052956B2 Tungstic acid powder consisting of spherical tungsten particles and method for producing same 有权
由球形钨颗粒组成的钨酸粉末及其制造方法

Tungstic acid powder consisting of spherical tungsten particles and method for producing same
摘要:
Process for the production of a powdered spherical tungstic acid by acidification of an aqueous alkaline tungstate solution with mineral acid at elevated temperature, preferably in a continuous stirred tank or a cascade of at least 2 continuous stirred tanks, and tungstic acid obtainable in this way, which is characterized by a high bulk density and spherical morphology.
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