Abstract In order to study the change rule of freshness and acid ions in reconstituted tobacco slurry. the content changes of 17 organic acids and 5 inorganic anions in reconstituted tobacco slurry with different residence times under confined condition were determined by on-line solid-phase extraction ion chromatography in this study. The results showed that the changes of acetic aci... https://www.herbsdailyes.shop/product-category/milk/