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本文在许多阳离子和阴离子共存下,用亚铁—磷酸—亚铁灵方法测定了浓度为8—75微克/25毫升的铀(Ⅵ),相对精密度为3—1%。
In this paper, uranium (Ⅵ) with a concentration of 8-75 μg / 25 ml was determined by ferrous-phosphoric acid-ferrous chloride method with the relative precision of 3-1% in the presence of many cations and anions.