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This test method is Kjeldahl sodium tungstate deposition.
采用凯氏定氮的钨酸钠沉淀方法.
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Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials.
本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐.
High - purity sodium tungstate is prepared by controlling the crystal size of desorption solution.
在控制解吸液结晶程度的条件下,制取出了高纯钨酸钠.
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