【摘要】 奶粉用１．０％ 盐酸溶液溶解，直接喷入空气—乙炔火焰中测定吸光度，以标准曲线法定量。测定结果与常规消化法一致。回收率在９７．２％ ～１０２．８％ 之间，相对标准偏差＜ ２．１％ 。更多还原

【Abstract】 Milk powder is solvated in 1.0% hydrochloric acid,instead of being digested,and injected into air-acetylene flame by standard series method to determine calcium.The results are consistent with those obtained by normal digesting method.The recovery is 97.2%～102.8%and the relative standard deviation is less than 2.1%.更多还原