Akademiai Kiado Zrt.

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Separation of Phenolic Compounds by NP and RP Two-Dimensional Thin Layer Chromatography on Connected Plates
Akademiai Kiado Zrt. - Tập 19 - Trang 92-97 - 2006
Mirosław A. Hawrył, Monika Waksmundzka-Hajnos
Separation selectivity has been optimized in two-dimensional thinlayer chromatography (2D TLC) by connecting diol or silica plates (on which NP chromatograms were developed) to RP-18W plates (on which reversed-phase chromatograms were developed). Retention of test substances was investigated to select optimum chromatographic systems for separation of selected phenolic compounds by 2D TLC. Selectio...... hiện toàn bộ
Xác định đồng thời Sulphadiazine Natri và Trimethoprim trong thức ăn cá có thuốc, mô cá và trong chế phẩm dược phẩm thú y của chúng bằng phương pháp sắc ký lớp mỏng - Đo sắc ký chiều sâu Dịch bởi AI
Akademiai Kiado Zrt. - Tập 27 - Trang 113-119 - 2014
Fatma I. Khattab, Safa’a M. Riad, Mamdouh R. Rezk, Hoda M. Marzouk
Một phương pháp sắc ký lớp mỏng cụ thể, chính xác và tỷ mỉ để ước lượng đồng thời sulphadiazine natri (SDZ) và trimethoprim (TMP) trong thức ăn cá có thuốc và trong mô cá đã được phát triển và xác nhận. Phương pháp này dựa trên kỹ thuật chiết xuất lỏng đơn giản và sử dụng sắc ký lớp mỏng (TLC) như một bước làm sạch. Để tối ưu hóa quy trình chiết xuất từ mô cá, nhiều hệ thống pha di động và dung mô...... hiện toàn bộ
High-performance thin-layer chromatographic analysis for the simultaneous quantification of lupeol and ursolic acid in the methanolic fraction of four different species of Bauhinia
Akademiai Kiado Zrt. - Tập 29 - Trang 423-428 - 2016
Abhishek Gupta, Shikhar Verma, Harinath Dwivedi, Ajay Kumar Singh Rawat
A high-performance thin-layer chromatography (HPTLC) method for the simultaneous quantitative determination of lupeol and ursolic acid in the methanolic fraction of four different species of Bauhinia leaves was developed for the first time. For achieving good separation, a mobile phase of toluene—ethyl acetate—formic acid (8:2:0.1, v/v) was used. The densitometric determination was carried out at ...... hiện toàn bộ
Thin-layer chromatography–contact bioautography as a tool for bioassay-guided isolation of anti-Streptococcus mutanscompounds fromPinus merkusiiheartwood
Akademiai Kiado Zrt. - Tập 31 Số 5 - Trang 355-359 - 2018
Apirak Sakunpak, Lukman Sueree
High-performance thin-layer chromatographic method for determination of fenvalerate and deltamethrin in emulsifiable concentrate formulations
Akademiai Kiado Zrt. - - 2002
Krishan Kumar Sharma
Thin-Layer Chromatography in the Analysis of Biologically Active Ionic and Ionizable Compounds
Akademiai Kiado Zrt. - Tập 28 - Trang 413-425 - 2015
Anna Petruczynik, Łukasz M. Cieśla
Ionic and ionizable solutes constitute a large group of compounds characterized with biological activity. Chromatographic analysis of these compounds is more difficult when compared to nonionic substances. This review focuses on different approaches used for the separation of basic and acidic substances by means of thin-layer chromatography. Biologically active basic compounds are more often used ...... hiện toàn bộ
Methods of detecting and/or reducing systematic errors in quantitative planar chromatography. Part 2. Systematic errors caused by separation systems
Akademiai Kiado Zrt. - - 2005
R. Kaiser
A Simple and Sensitive HPTLC Method for Simultaneous Analysis of Domperidone and Paracetamol in Tablet Dosage Forms
Akademiai Kiado Zrt. - Tập 22 - Trang 421-424 - 2009
Alok Yadav, Raman M. Singh, Satish C. Mathur, Pawan K. Saini, Gyanendra N. Singh
A simple, precise, rapid, selective, and economic high-performance thin-layer chromatographic (HPTLC) method has been established for simultaneous analysis of domperidone (DMP) and paracetamol (PAR) in tablet dosage forms. The chromatographic separation was performed on precoated silica gel 60 GF254 plates with acetone- toluene-methanol 4:4:2 (v/v) as mobile phase. The plates were developed to a d...... hiện toàn bộ
Forced-Flow Planar Liquid Chromatographic Techniques (After Twenty-Two years)
Akademiai Kiado Zrt. - Tập 23 - Trang 382-395 - 2010
Ernő Tyihák, Emil Mincsovics
In the twenty-two years since a similar review in the first issue of this journal there has been much progress in forced-flow planar liquid chromatography (FFPLC). Innovative developments have resulted in extremely diverse new technical solutions. This review briefly summarizes techniques which are already in use as a result of this progress (overpressured-layer chromatography, OPLC, and rotation ...... hiện toàn bộ
Determination of RDX and Keto-RDX in High-Explosive Mixtures by High-Performance Thin-Layer Chromatography
Akademiai Kiado Zrt. - Tập 14 - Trang 296-299 - 2001
Forouzan Gholamian, Marzieh Chaloosi, Syed Wagif Husain, Hossein Dehghani
High-performance thin-layer chromatography (HPTLC) has been used for separation and quantitation of components of high explosives containing hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and 2-oxo-1,3,5-trinitro-1,3,5-triazacyclohexane (Keto-RDX or K- 6) for on-line and off-line quality control of synthesis. The compounds were separated on silica gel 60 F254 layers developed successively with two ...... hiện toàn bộ
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