【摘要】 采用高压密封硝化罐法处理样品,以ICP-AES测定膨化食品中S、P的含量,从而间接测定硫酸根和磷酸根的含量。此方法简单、快速、灵敏度高、准确性好,且可多元素同时测定,另外环境污染小。该方法回收率在97.4%—104.7%之间,相对标准偏差均小于3.0%。更多还原

【Abstract】 The amounts of trace S and P in puffed food were determined by ICP-AES with high pressure nitrifying pot to transfer into sulfate and phosphate.The recovery is 97.4%—104.7% with relative standard deviations less than 3.0%.The method was simple,rapid,highly sensitive and accurate,with simultaneous and without environment pollution multi-elements determination.更多还原