Results 91 to 100 of about 5,042,699 (188)

Optimizing Chromatographic Separation with Redosing: Effects on Separation Efficiency of a Model System in Centrifugal Partition Chromatography

Separations
This study investigates and optimizes chromatographic separation in a Centrifugal Partition Chromatograph. Therefore, a model system is separated in a single-disc rotor.
Felix Buthmann, Jan Hohlmann, Mareen Neuwald, Gerhard Schembecker   +3 more
doaj   +1 more source

Quantitative Confocal Raman Microscopy Study of Ion-Interaction Retention at Reversed-Phase Chromatographic Interfaces

, 2016
Ion-interaction chromatography utilizes the addition of amphiphilic (surfactant) molecules to the mobile-phase solution in order to bring about the retention and separation of hydrophilic ionic analytes on reversed-phase liquid chromatographic stationary
Jennifer L. Gasser-Ramirez (2288245), Joel M. Harris (1430332)   +1 more
core   +1 more source

The investigation of ion-exchange properties of novel zwitterionic and amphoteric stationary phases and their application to the separation of inorganic and organic ions [PDF]

, 2008
Over recent years development of ion chromatography (IC) has focused on new phase technologies to s~multaneously increase efficlency and vary selectivity.
Nesterenko, Ekaterina
core  

Monitoring of Retention "U-profiles" of Selected Substances on Pentafluorophenyl Stationary Phase

, 2012
Charles University in Prague Faculty of Pharmacy in Hradec Králové Analytical Chemistry Department Candidate: Mgr. Michaela Havlátová Consultant: Doc. RNDr. Dalibor Šatínský, PhD.
Havlátová, Michaela
core  

Stereosynthesis of stationary phase with precision defined separation selectivity. [PDF]

Chem Sci
Huang X, Sun K, Cao H, Zhou Z, Chen J, Cai Q, Wang X, Song Y, Huang TX, Fang N, Zhang B.   +10 more
europepmc   +1 more source

Recent Advances in Reversed-Phase Liquid Chromatography for Therapeutic Oligonucleotide and Conjugate Characterization: From Ion-Pairing to Green Analytical Approaches. [PDF]

Anal Sci Adv
Bui QD, Hewelt-Belka W, Deschrijver T, Gilar M, Eeltink S.   +4 more
europepmc   +1 more source

Efficient synthesis of pillar[5]quinone for rapid identification of aromatic nitro explosives. [PDF]

RSC Adv
Zhang YY, Wang L, Wu J, Fan ST, Che XY, Wang YH, Zhang ZY, Liu YH, Zhou X, Liu Y, Li C.   +10 more
europepmc   +1 more source

Unified retention indices of hydrocarbons on dinonylphthalate phase

, 1997
Gas Chromatographic unified retention indices are obtained for 52 hydrocarbons on dinonylphthalate stationary phase. The calculated values agree well with the corresponding experimental values taking into account the statistical treatment of the ...
Škrbić, Biljana
core  

Systematic Evaluation of Partition-Dominated Retention in Hydrophilic Interaction Liquid Chromatography (HILIC) Under Varying Aqueous Components of the Mobile Phase: Revisiting the HILIC Column Test Scheme. [PDF]

J Sep Sci
Shimpo T, Ikegami T.
europepmc   +1 more source

Preparation and evaluation of dodecyl bonded zirconia stationary phase for high performance liquid chromatography

, 2002
The C-12-alkyl phase was synthesized for zirconia substrate. The chromatographic properties of the stationary phase have been investigated by reversed-phase high-performance liquid chromatography with polycyclic aromatic hydrocarbon (PAH), alkylbenzenes,
Zhang, WB, Zhang, YK, Feng, YQ, Li, T, Zhang, QH, Da, SL   +5 more
core