信阳农业高等专科学校学报
信暘農業高等專科學校學報
신양농업고등전과학교학보
JOURNAL OF XINYANG AGRICULTURAL COLLEGE
2014年
2期
109-111
,共3页
气相色谱%白酒%甲醇%杂醇油
氣相色譜%白酒%甲醇%雜醇油
기상색보%백주%갑순%잡순유
gas chromatography%Chinese spirits%methanol%fusel oil
采用GDX-102气相色谱玻璃填充柱直接进样、氢火焰光度检测器（ FID）测定，建立了一种用气相色谱法测定白酒中甲醇和杂醇油含量的分析方法。精密度的相对标准偏差（RSD）：甲醇是2．03％、异丁醇是2．35％、异戊醇是1．05％，检出限：甲醇是0．00005g/100mL、异丁醇是0．00004g/100mL、异戊醇是0．00002g/100mL，样品加标平均回收率在91．7％～97．3％之间，并且甲醇及杂醇油浓度在0．00～1．00g/L内有很好的线性范围，相关系数均在0．9990以上，实验结果表明该方法简便、快速、准确，适用于白酒中甲醇和杂醇油的同时分析测定。
採用GDX-102氣相色譜玻璃填充柱直接進樣、氫火燄光度檢測器（ FID）測定，建立瞭一種用氣相色譜法測定白酒中甲醇和雜醇油含量的分析方法。精密度的相對標準偏差（RSD）：甲醇是2．03％、異丁醇是2．35％、異戊醇是1．05％，檢齣限：甲醇是0．00005g/100mL、異丁醇是0．00004g/100mL、異戊醇是0．00002g/100mL，樣品加標平均迴收率在91．7％～97．3％之間，併且甲醇及雜醇油濃度在0．00～1．00g/L內有很好的線性範圍，相關繫數均在0．9990以上，實驗結果錶明該方法簡便、快速、準確，適用于白酒中甲醇和雜醇油的同時分析測定。
채용GDX-102기상색보파리전충주직접진양、경화염광도검측기（ FID）측정，건립료일충용기상색보법측정백주중갑순화잡순유함량적분석방법。정밀도적상대표준편차（RSD）：갑순시2．03％、이정순시2．35％、이무순시1．05％，검출한：갑순시0．00005g/100mL、이정순시0．00004g/100mL、이무순시0．00002g/100mL，양품가표평균회수솔재91．7％～97．3％지간，병차갑순급잡순유농도재0．00～1．00g/L내유흔호적선성범위，상관계수균재0．9990이상，실험결과표명해방법간편、쾌속、준학，괄용우백주중갑순화잡순유적동시분석측정。
A determination method of methanol and fusel oils in Chinese spirits by gas chromatography was established , direct injection mode and GDX -102 glass packed column were used for determination by gas chromatography equipped with hydrogen flame photometric detector (F ID).The relative standard deviation (RSD) in precision:Methanol is 2.03 percent, 2-butanol is 2.35 percent, and 2-pentanol is 1.05 percent.The detection limit: Methanol is 0.00005 g /100 mL, 2-butanol is 0.00004 g /100 mL, 2-pentanol is 0.00002 g /100 mL, sample increase in the average recov-eries is 91.7%~97.3%.And the determination method provides a good linear response ( ≥0.9990) when the concen-tration of methanol and fusel oils is 0.00~1.00 g/L.Experimental results show that the method is simple , fast, and accurate and is suitable to determine methanol and fusel oils in Chinese spirits simultaneously .
