To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill.
摘要通过对测定食品中亚硫酸盐过程进行研究，根据样品的特性不同对所采集的样品采用浸泡、超声和蒸馏三种前处理方法。
To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill.
摘要通过对测定食品中亚硫酸盐过程进行研究，根据样品的特性不同对所采集的样品采用浸泡、超声和蒸馏三种前处理方法。
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