chromatographic相关论文
NADH-glutamate dehydrogenase (GDH) is active in human tissues, and is chromatographically purified, and studied because ......
The aim of this study was to determine the levels of myricetin, quercetin, and kaempferol in green and black Kenyan type......
This review gives a broad glance on the progress of recent advances on proteolysis and peptide/protein separation by chr......
As an important branch of medicine, Traditional Chinese Medicine(TCM) has been applied for the treatment of diseases for......
根据常见水产品兽药残留的检测项目,介绍了几种液相色谱-质谱联用技术在水产品药残检测的应用,总结了其发展趋势。目前,超高效液相......
色谱峰重叠现象的存在给化学成分的定性和定量分析带来了很多困难。利用小波变换的时域多分辨率特性可以较好地对重叠峰做出分离,但......
GC6型在线气相色谱仪使用中,在设计上由于采样管线过长,样品更新慢,导致滞后时间太长,对此进行了故障的分析和采样系统的改造,取得......
把水中的铜富集后,在与火焰原子吸收法相结合,提高了方法的灵敏度,操作简便,检出浓度1ug·L-1,相对标准差为3.2%,回收率为96.3......
本实验样品经剪碎后准确称取,经顶空进样器进样后,用GCMS分析。依据目标化合物的保留时间和标准质谱图或特征离子定性定量,用内标......
STUDIES ON COUNTERACTING CHROMATOGRAPHIC ELECTROPHORESIS AND ITS UTILIZATION FOR PROTEIN PURIFICATIO
A counteracting chromatographic electrophoresis(CACE)separation device has been success-fully built and tested.Experimen......
喹诺酮类药物是人工合成的具有4-喹诺酮环基本结构的广谱杀菌性抗菌药物。由于其耐药性的出现,通过长期、低水平的接触方式产生各种......
目的用高效液相色谱法建立三七的指纹图谱。方法采用反相C18柱,乙腈-水梯度洗脱;检测波长203 nm;流速1.0ml/min进行试验。根据相对......
利用气相色谱仪分析充油电气设备内油中溶解气体含量对判断设备内部的潜伏性故障是非常有效的试验手段。通过对500kV南昌变电站磁......
以囊尾蚴囊液抗原做圆斑酶联免疫吸附试验。对几组血清进行检测54例囊虫病患者中50例呈阳性反应,阳性率92.59%(阳必终点滴度1:50-1:640......
某750 kV变压器在局部放电试验后对B相进行色谱分析时,发现乙炔含量为0.3μL/L,其余特征气体较试验前色谱分析数据无明显增长。试......
大豆皂甙是一种天然三萜烯类皂甙,由于其结构复杂,种类繁多,所以对它的分析检测有一定难度。该文主要从光谱法和色谱法对其近年来分析......
为了查找110kV堡子店2号主变压器投运后色谱异常的原因,采用色谱跟踪结合电气试验数据进行综合分析.证实铁心片间短路是该故障的诱因......
用脉冲色谱峰加宽非稳态法测定乙醇在Pt/Al2O3催化剂中400-480℃之间的有效扩散系数。乙醇孔扩散活化能为5.46kJ/mol。当用0.45-0.60mm催化剂时,乙醇的完全氧化在动力学区......
对成庄矿综采工作面瓦斯来源以及采用气相色谱仪对5303工作面气体成分、浓度的分析,为成庄矿采空区瓦斯治理工作提供了真实的基础数......
本文采用薄层色谱法对牛黄解毒片中的土大黄甙进行定性鉴别。...
目的:提高鉴别颠茄制剂的专属性。方法:通过纸色谱鉴别颠茄制剂中的阿托品与东菪莨碱。结果:本法简便、准确、专属性强。结论:适于......
参照日本药典中结晶麦芽糖的主要质量指标,研究了高纯度结晶麦芽糖的制备过程.薯类淀粉液化到低葡萄糖值,3种酶复合糖化,经过脱色......
【正】甲醇羰基化反应制醋酸,是一个重要的化学反应[1],无论在实验室或在工业生产上,其反应过程的监测均是以色谱为分析手段[2,3]......
介绍二氧化碳中的硫化氢、氧硫化碳分析....
采用GC-MS联用技术,对长白山地区的蓝锭果中挥发油的化学成分进行了分析,通过色谱图可以看出存在40多种挥发油的化合物,经过数据库检索,鉴定了......
本文通过对仲丁醇、水、碳四烃的气相色谱分析方法的研究,确定了气相色谱柱及其分析该系统时的条件,测定了成份分析的校正因子,为仲丁......
本文研究了用色谱方法测定三元系中二个挥发组分在有限浓度时的活度系数,提出了实验规程及导出了用色谱数据计算活度系数的公式。......
建立了以高敛液相色谱-荧光检测法同时测定复合预混合饲料中9种喹诺酮类药物的最佳方法.该法简便、快速、准确、灵敏度高、重现性......
提出了综合应用变压器内部故障判断技术的重要性,给出了采用此技术判断故障的实例。...
Speciation Study of Trace Elements by Reversed Phase-High Performance Liquid Chromatography ( Ⅰ )——S
Reported here is the Cr-speciation study by High Performance Liquid Chromatography (HPLC) using precolumn derivatization......
[Objectives] To establish Thlaspi arvense L. HPLC fingerprints,to provide reference for quality evaluation Thlaspi arven......
A Comparative Study of Non-Volatile Compounds Present in 3R4F Cigarettes and iQOS Heatsticks Utilizi
It is now widely suggested that people who are dependent on nicotine should switch from ordinary tobacco smoking to alte......
采用高聚物型苯乙烯-二乙烯基苯(PS—DVB)麦科菲反相高效液相色谱柱(MKF—RP—MH)分离胸腺素α1,优化色谱条件为:流动相A:0.01mol/L磷酸盐缓......
A Study on Relationship Between Gas Chromatographic Retention Value and Atomic Hydrophobic Parameter
A study on relationship between molecular structure and chromatographic retention values for realizing the identificatio......
Application of a Quartz Crystal Microbalance (QCM) System Coated with Chromatographic Adsorbents for
A sensor based on the technique of a piezoelectric quartz crystal microbalance (QCM) is analyzed for the detection of si......
Molecularly imprinted technology (MIT) has the characteristics of specificity and high selectivity, which is one of the ......
Rapid HPLC Method for Monitoring Relevant Residues of Pharmaceuticals Products in Environmental Samp
This work presents a multi-residue analytical method based on solid phase extraction (SPE) followed by high-performance ......
采用高效液相色谱法(high performance liquid chromatographic,HPLC)对8种橙类和杂柑中10种酚类物质含量进行测定,探讨不同柑橘品种......