【摘要】 采用大孔径阳离子交换树脂富集白酒中碱性含氮化合物,研究了影响回收率的各种因素并予以改进,使几种低挥发性吡嗪化合物的回收率达80%以上。用本法富集和气相色谱分离定量测定了几种酱香型白酒中吡嗪化合物的含量。更多还原

【Abstract】 A new method using macroporous cation exchange resin to separate and enrich the basic nitrogen-containing compounds in Chinese liquors was developed. Factors influencing the recovery were studied. The recoveries of low voltl’.e pyra-zines were more than 80%.更多还原