化学与生物工程
化學與生物工程
화학여생물공정
CHEMISTRY & BIOENGINEERING
2014年
6期
70-72,78
,共4页
殷志敏%贾志奇%赵永祥%杨巧珍
慇誌敏%賈誌奇%趙永祥%楊巧珍
은지민%가지기%조영상%양교진
1,4-丁二醇%1,4-丁二醇单醋酸酯%1,4-丁二醇双醋酸酯%气相色谱法
1,4-丁二醇%1,4-丁二醇單醋痠酯%1,4-丁二醇雙醋痠酯%氣相色譜法
1,4-정이순%1,4-정이순단작산지%1,4-정이순쌍작산지%기상색보법
1,4-butanediol%1,4-butanediol monoacetate%1,4-diacetoxybutane%gas chromatography
以醋酸正丁酯为内标物,采用毛细管气相色谱内标法测定1,4-丁二醇及其酯化产物的含量。结果表明:1,4-丁二醇、1,4-丁二醇单醋酸酯、1,4-丁二醇双醋酸酯的相对校正因子曲线分别在0.7090~41.30 mg·mL-1、0.5980~41.82 mg·mL-1、0.5429~39.10 mg·mL-1范围内呈现良好的线性关系(R 2≥0.9994),平均加标回收率为94.53%~103.20%,RSD ≤4.72%。该方法操作简便、精密度高、重现性好、结果稳定可靠,可用于1,4-丁二醇及其酯化产物的含量测定。
以醋痠正丁酯為內標物,採用毛細管氣相色譜內標法測定1,4-丁二醇及其酯化產物的含量。結果錶明:1,4-丁二醇、1,4-丁二醇單醋痠酯、1,4-丁二醇雙醋痠酯的相對校正因子麯線分彆在0.7090~41.30 mg·mL-1、0.5980~41.82 mg·mL-1、0.5429~39.10 mg·mL-1範圍內呈現良好的線性關繫(R 2≥0.9994),平均加標迴收率為94.53%~103.20%,RSD ≤4.72%。該方法操作簡便、精密度高、重現性好、結果穩定可靠,可用于1,4-丁二醇及其酯化產物的含量測定。
이작산정정지위내표물,채용모세관기상색보내표법측정1,4-정이순급기지화산물적함량。결과표명:1,4-정이순、1,4-정이순단작산지、1,4-정이순쌍작산지적상대교정인자곡선분별재0.7090~41.30 mg·mL-1、0.5980~41.82 mg·mL-1、0.5429~39.10 mg·mL-1범위내정현량호적선성관계(R 2≥0.9994),평균가표회수솔위94.53%~103.20%,RSD ≤4.72%。해방법조작간편、정밀도고、중현성호、결과은정가고,가용우1,4-정이순급기지화산물적함량측정。
With n-butyl acetate as internal standard,the gas chromatography has been developed for the de-termination of 1,4-butanediol(0.7090~41.30 mg·mL-1 ),1,4-butanediol monoacetate(0.5980~41.82 mg· mL-1 )and 1,4-diacetoxybutane(0.5429~39.10 mg·mL-1 ).All linearity relative coefficients are higher than 0.9994 within their respective ranges.And the average recoveries are from 94.53% to 103.20% with the RSD≤4.72%.This method is simple,accurate,reproducible,stable and reliable,which can be applied to the quanti-tative determination of 1,4-butanediol and its esterification products.