同步热分析-傅里叶变换红外光谱-气相色谱-质谱法分析淀粉  

FT-IRS-GC-MS Analysis of Starch with Synchrothermogravimetry

作　　者：刘春波[1] 刘志华[1] 陈永宽[1] 钟仙芳[1] 王昆淼[1] 何沛[1] 缪明明[1] 

机构地区：[1]云南烟草科学研究院、云南省烟草化学重点实验室,昆明650106

出　　处：《理化检验（化学分册）》2012年第11期1265-1269,1273,共6页Physical Testing and Chemical Analysis(Part B:Chemical Analysis)

基　　金：中国烟草总公司科技重大专项项目(110201001001);云南中烟工业公司科技开发计划(2010JC04);云南省创新团队建设项目(2009CI014)

摘　　要：应用同步热分析法对淀粉样品进行了热失重研究。分别在氮气和氮氧(91+9,体积比)混合气氛围中,对淀粉样品在动态升温条件下的热重、微分热重和温度变化曲线的差异进行了比较,将315℃和350℃时所得的热解产物进行傅里叶变换红外光谱和气相色谱-质谱分析,在氮气和氮氧混合气氛围下共检出并鉴定了51种化合物。Weight-loss on heating of starch was studied in atmospheres of N2 and mixture of N2-O2 （91＋9, by vol. ） by synchrothermogravimetry. A comparative study on the differences among the thermogravimetric, differential theromogravimetric and AT curves obtained was made by analyzing sample under dynamic temperature elevation. The pyrolytic products obtained at 315 ℃ and 350 ℃ in the 2 gas atmospheres were analyzed by FTIR and GC-MS. Totally 51 compounds were identified and determined.

关 键 词：同步热分析 傅里叶变换红外光谱法 气相色谱-质谱法 淀粉 

分 类 号：O657.33[理学—分析化学] O657.63[理学—化学]