渤海大学学报(自然科学版)
渤海大學學報(自然科學版)
발해대학학보(자연과학판)
JOURNAL OF BOHAI UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
3期
275-278
,共4页
毛细管气相色谱%对甲苯磺酸三正丁铵固定相%山梨酸%苯甲酸
毛細管氣相色譜%對甲苯磺痠三正丁銨固定相%山梨痠%苯甲痠
모세관기상색보%대갑분광산삼정정안고정상%산리산%분갑산
gas chromatography%4-toluensulfonate of trimethylammonium%sorbic acid%benzoic acid
采用静态法涂柱以对甲苯磺酸三正丁铵做为固定相制备了石英毛细管气相色谱柱(柱尺寸35 m ×0.53 mmi.d,液膜厚度为1.0μm,固定液浓度为9.5%,W/V),并对其柱性能进行了考察.实验表明,此种色谱固定相极性较强,对于酱油中的山梨酸和苯甲酸极性具有较好的分离效果,精密度试验,得到的相对标准偏差在0.53%~2.5%之间,线性范围10×10-3 g.L-1~250×10-3 g.L-1.检出限为4.2×10-3 g.L-1,方法回收率为85%~96.1%.
採用靜態法塗柱以對甲苯磺痠三正丁銨做為固定相製備瞭石英毛細管氣相色譜柱(柱呎吋35 m ×0.53 mmi.d,液膜厚度為1.0μm,固定液濃度為9.5%,W/V),併對其柱性能進行瞭攷察.實驗錶明,此種色譜固定相極性較彊,對于醬油中的山梨痠和苯甲痠極性具有較好的分離效果,精密度試驗,得到的相對標準偏差在0.53%~2.5%之間,線性範圍10×10-3 g.L-1~250×10-3 g.L-1.檢齣限為4.2×10-3 g.L-1,方法迴收率為85%~96.1%.
채용정태법도주이대갑분광산삼정정안주위고정상제비료석영모세관기상색보주(주척촌35 m ×0.53 mmi.d,액막후도위1.0μm,고정액농도위9.5%,W/V),병대기주성능진행료고찰.실험표명,차충색보고정상겁성교강,대우장유중적산리산화분갑산겁성구유교호적분리효과,정밀도시험,득도적상대표준편차재0.53%~2.5%지간,선성범위10×10-3 g.L-1~250×10-3 g.L-1.검출한위4.2×10-3 g.L-1,방법회수솔위85%~96.1%.
A silica capillary column (30 m ×0.53 mmi.d, 1.0μm, 9.5%W/V) using 4-toluensulfonate of trimethylammonium as stationary phase was prepared by the method of static coating .The experiment showed that this type of column had good colunmn characteristics and it has good capability in Separating sorbic acid and benzoic acid in soya sauce .The relative standard deviations were 0.53%~2.5%and the linear rangeands were 10 ×10-3 g.L-1 ~250 ×10 -3 g.L-1 and the limit of detection was 4.2 ×10-3 g.L-1 and the recovers of this method were 85%~96.1%.