极性化合物的样品前处理-衍生化 (Derivatization ) 极性样品的衍生化处理 带有极性官能团的化合物: 1.脂肪酸(fatty acid): 2.
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紫外分光光度法测定络石藤中总黄酮含量_紫外分光光度法,光度计_中国化工仪器网 关键词:高效液相色谱法;淫羊藿多糖;衍生化;单糖 [gap=746]Keywords:HPLC;EpimediumPolysaccharide;Derivation;Monosaccharide
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柱前衍生化 pre-column derivatization ; pre-column derivation
衍生化法 derivatization method ; derivatization SPME ; Chiral Derivatization Reagent
柱后衍生化 post-column derivatization
衍生化试剂 derivatization reagent ; BSTFA
柱中衍生化 on-column derivatization
手性衍生化法 chiral derivation method
柱前衍生化法 precolumn derivatization
副产品衍生化合物 byproduct compounds
A method for separation and determination of amino acids using pre column derivatization with 6 aminoquinoline N hydroxysuccinimido carbamate (AccQ. Tag) was improved.
对Waters公司采用 6 氨基喹啉 N 羟基琥珀酰亚胺基 氨基甲酸酯 (AccQ Tag)柱前衍生化测定氨基酸的方法进行了改进。
参考来源 - 对一种分离测定氨基酸方法的改进The relative aboundance of fragment ions of adduct ions are quite different from each other. On the basis the sugar epimers are distinguished without derivation.
产主的加合离子的碎片峰相对丰度的差别,不经衍生化,可直接区分糖的差相异构体。
参考来源 - 液相色谱—大气压电离质谱在单糖和寡糖结构分析中的研究Objective:To develop an HPLC method for the determination of amino acids by pre-column OPA-FMOC derivatization.
目的:建立氨基酸含量的柱前衍生化HPLC的定量测定方法。
参考来源 - OPAResults:At the detention time 281.65 s, derivative peak showed up, and phenylalanine derivation product was N,O-Bis(trimethylsily)-L-phenylalanine according to spectrum database.
结果:在保留281.65s出现衍生物峰,L-2H5-苯丙氨酸衍生化产物为N,O-双三甲基硅烷基-L-苯丙氨酸。
参考来源 - 同位素示踪法测定清蛋白合成率的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
荧光衍生化方法是提高色谱检测灵敏度的重要途径。
Derivatization with fluorescent molecules is an important way of increasing the detection sensitivity of chromatography.
建立柱前衍生化-毛细管气相色谱法分离2,5 -己二醇对映体的方法。
A method for the enantioseparation of 2, 5-hexanediol by capillary gas chromatography with precolumn derivatization was proposed.
通过衍生化反应和气相色谱检测来测定稻田水、土壤样品中氟草烟的残留。
Determined the residue of fluroxypyr in paddy field water and soil by derivative reaction and GC.
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