Zeolitic Imidazolate Framework-8 Nanocrystal Coated Capillary for Molecular Sieving of Branched Alkanes from Linear Alkanes along with High-Resolution Chromatographic Separation of Linear Alkanes

2010 ◽  
Vol 132 (39) ◽  
pp. 13645-13647 ◽  
Author(s):  
Na Chang ◽  
Zhi-Yuan Gu ◽  
Xiu-Ping Yan
Keyword(s):  
High Resolution ◽  
Chromatographic Separation ◽  
Zeolitic Imidazolate Framework ◽  
Branched Alkanes ◽  
Linear Alkanes ◽  
Molecular Sieving

Facile room-temperature solution-phase synthesis of a spherical covalent organic framework for high-resolution chromatographic separation

2015 ◽  
Vol 51 (61) ◽  
pp. 12254-12257 ◽  
Author(s):  
Cheng-Xiong Yang ◽  
Chang Liu ◽  
Yi-Meng Cao ◽  
Xiu-Ping Yan
Keyword(s):  
High Resolution ◽  
Surface Area ◽  
Chromatographic Separation ◽  
Room Temperature ◽  
Solution Phase ◽  
Phase Synthesis ◽  
Covalent Organic Framework ◽  
Solution Phase Synthesis ◽  
Temperature Solution ◽  
Organic Framework

Facile room-temperature solution-phase synthesis of a spherical covalent organic framework with large surface area and good stability for high-resolution chromatographic separation.

Fabrication of powdery polymer aerogel as the stationary phase for high-resolution gas chromatographic separation

Talanta ◽  
2018 ◽  
Vol 186 ◽  
pp. 445-451 ◽  
Author(s):  
Juan Zheng ◽  
Cuiming Lu ◽  
Junlong Huang ◽  
Luyi Chen ◽  
Chuyi Ni ◽  
...  
Keyword(s):  
High Resolution ◽  
Stationary Phase ◽  
Chromatographic Separation ◽  
Polymer Aerogel ◽  
Gas Chromatographic Separation

Effects of Molecular Sieving and Electrostatic Enhancement in the Adsorption of Organic Compounds on the Zeolitic Imidazolate Framework ZIF-8

Langmuir ◽  
2010 ◽  
Vol 26 (19) ◽  
pp. 15625-15633 ◽  
Author(s):  
Matthew T. Luebbers ◽  
Tianjiao Wu ◽  
Lingjuan Shen ◽  
Richard I. Masel
Keyword(s):  
Organic Compounds ◽  
Zeolitic Imidazolate Framework ◽  
Molecular Sieving

Unexpected Molecular Sieving Properties of Zeolitic Imidazolate Framework-8

2012 ◽  
Vol 3 (16) ◽  
pp. 2130-2134 ◽  
Author(s):  
Chen Zhang ◽  
Ryan P. Lively ◽  
Ke Zhang ◽  
Justin R. Johnson ◽  
Oguz Karvan ◽  
...  
Keyword(s):  
Zeolitic Imidazolate Framework ◽  
Molecular Sieving

scholarly journals Analysis of cuticular chemical profiles of Latrodectus geometricus (Araneae: Theridiidae) females and juveniles using GC×GC/qMS

2018 ◽  
Vol 40 ◽  
pp. 1
Author(s):  
Ingrid De Carvalho Guimarães ◽  
Claudia Andrea Lima Cardoso ◽  
Elina Bastos Caramão ◽  
Jaderson Kleveston Schneider ◽  
William Fernando Antonialli Junior
Keyword(s):  
Gas Chromatography ◽  
Body Parts ◽  
Reliable Technique ◽  
Flame Ionization ◽  
Branched Alkanes ◽  
Linear Alkanes ◽  
Chemical Profiles ◽  
Latrodectus Geometricus ◽  
Intraspecific Recognition ◽  
Rapid Scanning

Communication in spiders can occur by several mechanisms, such as chemical cues and the cuticular hydrocarbons (CHCs) play an important role in intraspecific recognition. Several techniques have been used to evaluate CHCs in spiders, such as Gas Chromatography with Flame Ionization Detection, Gas Chromatography coupled with Mass Spectrometric detection and recently Fourier Transformed Infrared Photoacoustic Spectroscopy. In this study, rapid-scanning two-dimensional gas chromatography with quadrupole mass spectrometry (GC×GC/qMS) was employed to assess the CHCs of L. geometricus females and juveniles of different ages. The results demonstrate that there is variation in CHCs of different body parts of females, with abdomen presenting greater number of compounds, as well as between adults and juveniles. Branched alkanes represented the majority of compounds in all samples, followed by linear alkanes, and alkenes were only present in adult’s abdomen and cephalothorax. The compounds 10-methyloctacosaneand 14-methyloctacosane; and 10-methyltriacontane and 14-methyltriacontane showed the same retention time in the 1D and were separated in the 2D. According to the results, rapid-scanning GC×GC/qMS can be considered a reliable technique to assess CHCs since it was possible to identify the spider’s cuticular compounds, and detect and separate two cases of chromatographic coelution.

Carbon–Foam Chromatographic Separation of Non-o,o´-Chlorine Substituted PCBs from Aroclor Mixtures

1980 ◽  
Vol 63 (4) ◽  
pp. 750-755
Author(s):  
James N Huckins ◽  
David L Stalling ◽  
Jimmie D Petty
Keyword(s):  
Gas Chromatography ◽  
Activated Carbon ◽  
High Resolution ◽  
Polychlorinated Biphenyls ◽  
Polyurethane Foam ◽  
Chromatographic Separation ◽  
Capillary Gas Chromatography ◽  
Carbon Foam ◽  
Ohio River ◽  
Aroclor 1248

Abstract Columns of activated carbon dispersed on shredded polyurethane foam were used to separate non-o,o´-chlorine (Cl) substituted polychlorinated biphenyls (PCBs) from mg quantities of Aroclors 1016, 1242, 1248, 1254, and 1260. Aroclor 1248 contained the highest concentration (3400 μg/g) of highly toxic 3,4,3´,4´tetrachlorobiphenyl (TCB). Lesser amounts of 3,4,3’,4’-TCB were also found in Aroclors 1242 and 1254. However, we were unable to detect 3,4,3’,4’-TCB in Aroclors 1016 and 1260. Varying amounts of the non-o,o´-Cl substituted 3,4,4´-trichlorobiphenyl and 3,4,3´,4´,5´-pentachlorobiphenyl were found in most of the Aroclor mixtures. No residues of 3,4,5,3´,4´,5´-hexachlorobiphenyl were detected in the Aroclor mixtures examined. Using carbon-foam chromatography and high resolution capillary gas chromatography, 0.11 μg 3,4,3´,4´-TCB/g was detected in 3 subsamples of a composite of 5 carp from the Ohio River.

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