Intensification of carboxylic acid isolation from dilute aqueous feed by simultaneous conversion and liquid‐liquid extraction

2020 ◽  
Vol 92 (9) ◽  
pp. 1356-1356
Author(s):  
G. Rudelstorfer ◽  
A. Grafschafter ◽  
M. Siebenhofer
Keyword(s):  
Carboxylic Acid ◽  
Liquid Extraction ◽  
Liquid Liquid Extraction ◽  
Aqueous Feed

scholarly journals Application of the Dehydration Homogeneous Liquid–Liquid Extraction (DHLLE) Sample Preparation Method for Fingerprinting of Honey Volatiles

Molecules ◽  
2021 ◽  
Vol 26 (8) ◽  
pp. 2277
Author(s):  
Piotr M. Kuś ◽  
Igor Jerković
Keyword(s):  
Carboxylic Acid ◽  
Sample Preparation ◽  
Preparation Method ◽  
Liquid Extraction ◽  
Sample Preparation Method ◽  
Phenyllactic Acid ◽  
Homogeneous Liquid ◽  
Liquid Liquid Extraction ◽  
Wide Range ◽  
Chemical Groups

Recently, we proposed a new sample preparation method involving reduced solvent and sample usage, based on dehydration homogeneous liquid–liquid extraction (DHLLE) for the screening of volatiles and semi-volatiles from honey. In the present research, the method was applied to a wide range of honeys (21 different representative unifloral samples) to determine its suitability for detecting characteristic honey compounds from different chemical classes. GC-FID/MS disclosed 130 compounds from different structural and chemical groups. The DHLLE method allowed the extraction and identification of a wide range of previously reported specific and nonspecific marker compounds belonging to different chemical groups (including monoterpenes, norisoprenoids, benzene derivatives, or nitrogen compounds). For example, DHLLE allowed the detection of cornflower honey chemical markers: 3-oxo-retro-α-ionols, 3,4-dihydro-3-oxoedulan, phenyllactic acid; coffee honey markers: theobromine and caffeine; linden honey markers: 4-isopropenylcyclohexa-1,3-diene-1-carboxylic acid and 4-(2-hydroxy-2-propanyl)cyclohexa-1,3-diene-1-carboxylic acid, as well as furan derivatives from buckwheat honey. The obtained results were comparable with the previously reported data on markers of various honey varieties. Considering the application of much lower volumes of very common reagents, DHLLE may provide economical and ecological advantages as an alternative sample preparation method for routine purposes.

Liquid-liquid extraction of plutonium and americium by cekanoic acid from alkaline medium

2001 ◽  
Vol 89 (2) ◽  
Author(s):  
K. V. Chetty ◽  
V. Sagar ◽  
R. Swarup
Keyword(s):  
Molecular Weight ◽  
Carboxylic Acid ◽  
High Molecular Weight ◽  
Alkaline Medium ◽  
Distribution Ratio ◽  
Liquid Extraction ◽  
Liquid Liquid Extraction ◽  
Carbonate Medium ◽  
D Values

Liquid-liquid extraction studies of plutonium and americium from aqueous carbonate medium using a high molecular weight carboxylic acid namely cekanoic acid in different diluents has been carried out. The distribution ratio (D) values for Pu(IV) and Am(III) under various parameters such as concentration of extractant, Na

Selective Extraction and Recovery of Cytochromecby Liquid−Liquid Extraction Using a Calix[6]arene Carboxylic Acid Derivative

Langmuir ◽  
2005 ◽  
Vol 21 (16) ◽  
pp. 7280-7284 ◽  
Author(s):  
Tatsuya Oshima ◽  
Hiroaki Higuchi ◽  
Keisuke Ohto ◽  
Katsutoshi Inoue ◽  
Masahiro Goto
Keyword(s):  
Carboxylic Acid ◽  
Acid Derivative ◽  
Selective Extraction ◽  
Liquid Extraction ◽  
Liquid Liquid Extraction ◽  
Carboxylic Acid Derivative

Liquid-liquid extraction of lithium using lipophilic dibenzo-14-crown-4 ether carboxylic acid in hydrophobic room temperature ionic liquid

2016 ◽  
Vol 164 ◽  
pp. 362-371 ◽  
Author(s):  
Rey Eliseo C. Torrejos ◽  
Grace M. Nisola ◽  
Ho Seong Song ◽  
Jeong Woo Han ◽  
Chosel P. Lawagon ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Carboxylic Acid ◽  
Room Temperature ◽  
Liquid Extraction ◽  
Room Temperature Ionic Liquid ◽  
Liquid Liquid Extraction
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