第 31 卷第 3 期 |  | Vol. 31 No. 3 | 2001 年 6 月 | Jun 2001 |
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所屬欄目:分析與測試
4-乙基苯甲酸的高效液相色譜分析 |
沈菁; 覃柳瓊; 文琴;(沙隆達股份有限公司化工研究所;) |
摘 要:建立了高效液相色譜法測定 4 乙基苯甲酸含量的方法。色譜柱為ZorbaxC - 8(4.6mmi.d× 2 50mm 5μ)流動(dòng)相為甲醇 /磷酸鹽緩沖液 (pH =4 .0 ) (V +V =6 0 + 4 0 )在uv2 54nm下用外標法進(jìn)行測定 ,方法精密度 :0 .2 2 % ,平均回收率 :99 8% |
關(guān)鍵詞:高效液相色譜法; 4乙基苯甲酸; 分析; |
中圖分類(lèi)號:O658 文獻標識碼:A 文章編號:1009-9212(2001)03-0049-02 |
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Determination of 4-entyl-benzoic acid by HPLC |
SHEN Jing; QIN Liu qiong; WEN Qin (Sanonda Co.; Ltd.; Jinzhou 434001; China); |
Abstract:A method was developed for determination of 4 entyl benzoic acid by HPLC. The samples were detected on Zorbax C 8 with methol and phosphate buffer (pH 4.0) as mobil at uv254nm. The results showed te coefficient of variation 0.20%, the recovery rate 99.8%. |
Key words:entyl benzoic acid; HPLC; analysis; |
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收稿日期:2001-01-10
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