337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看
第 47 卷第 3 期Vol. 47 No. 3
2017 年 6 月Jun 2017

所屬欄目:分析與測試

柱前衍生-液相色譜法測定草銨膦中間體3-(甲基烷氧膦;┍
閆燕燕1,張 越1*,張麗榮2,劉榮肖2,次素英2*,左會(huì )旭2,賈成國2 (1. 河北科技大學(xué) 化工與制藥工程學(xué)院,河北 石家莊 050018;2. 河北威遠生化農藥有限公司,河北 石家莊 050031)
摘 要:建立柱前衍生-液相色譜法測定合成的草銨膦關(guān)鍵中間體3-(甲基烷氧膦;┍┑暮康姆椒。3-(甲基烷氧膦;┍┰60℃與2,4-二硝基苯肼(DNPH)衍生反應20 min后,在色譜柱:CLC-ODS C18(150 mm×6.0 mm×5 μm),流速:1.0 mL/min,檢測波長(cháng):360 nm,流動(dòng)相:v(甲醇) ∶ v(乙腈) ∶ v(水)=27.5 ∶ 27.5 ∶ 45.0的條件下進(jìn)行測定,外標法定量。結果表明:該分析方法在0.03~0.30 g/L濃度范圍內線(xiàn)性關(guān)系良好,加標回收率保持在98.0%~99.3%之間。
關(guān)鍵詞:液相色譜法;3-(甲基烷氧膦;┍;2,4-二硝基苯肼;衍生
中圖分類(lèi)號:O657.7+2  文獻標識碼:A  文章編號:1009-9212(2017)03-0072-05
Determination of 3-(Methylalkyloxylphosphonyl)propionaldehyde by Pre-column Derivatization Coupled with HPLC
YAN Yan-yan1, ZHANG Yue1*, ZHANG Li-rong2, IU Rong-xiao2, CI Su-ying2*, ZUO Hui-xu2, JIA Cheng-guo2 (1. School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China; 2. Hebei Veyong Biochemical Co., Ltd., Shijiazhuang 050031, China)
Abstract:A method for determination of 3-(methylalkyloxylphosphonyl) propionaldehyde, a key intermediate for glufosinate ammonium was established by the pre-column derivatization coupled with HPLC. The 3-(methylalkyloxylphosphonyl)propionaldehyde was derivatized using 2,4-Dinitrophenylhydrazine (DNPH) for 20 minutes at 60℃, then separated on the chromatographic column of CLC-ODS C18 (150 mm×6.0 mm×5 μm). The separation conditiona were set as followings: the flow rate was 1.0 mL/min; the detection wavelength was 360 nm; the mobile phase was consisted of methanol, acetonitrile and water(27.5 ∶ 27.5 ∶ 45.0). The results showed that the linear relationship was good in the range of 0.03~0.30 g/L and the recovery rates were 98.0%~99.3%.
Key words:HPLC; 3-(methylalkyloxylphosphonyl) propionaldehyde; 2,4-dinitrophenylhydrazine; derivatization
作者簡(jiǎn)介:閆燕燕(1991-),女,河北邯鄲人,碩士研究生,研究方向:藥物的合成與分析(E-mail:18231197372@163.com)。
聯(lián) 系 人: 張 越,教授,研究方向:藥物及中間體合成(E-mail:yuezhang@hebust.edu.cn); 次素英,教授級高工,研究方向:農藥和獸藥的分析技術(shù)研究(E-mail:cisy65@126.com.cn)。
收稿日期: 2017-06-0
337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看