[PDF][PDF] Simplified determination of lignin content in hard and soft woods via uv-spectrophotometric analysis of biomass dissolved in ionic liquids.

LM Kline, DG Hayes, AR Womac, N Labbé - BioResources, 2010 - researchgate.net
A new simple and safe method for quantifying lignin content in lignocellulosic biomass is
described. The approach consists of measuring the absorbance of a solution of whole …

Proton transfer and polarity changes in ionic liquid–water mixtures: A perspective on hydrogen bonds from ab initio molecular dynamics at the example of 1-ethyl-3 …

M Brehm, H Weber, AS Pensado, A Stark… - Physical Chemistry …, 2012 - pubs.rsc.org
The ionic liquid 1-ethyl-3-methylimidazolium acetate [C2C1Im][OAc] shows a great potential
to dissolve strongly hydrogen bonded materials, related with the presence of a strong …

Design and characterization of a Raman-scattering-based sensor system for temporally resolved gas analysis and its application in a gas turbine power plant

J Kiefer, T Seeger, S Steuer, S Schorsch… - Measurement …, 2008 - iopscience.iop.org
A sensor system for fast gas composition analysis is presented. Using linear Raman
scattering the simultaneous detection of virtually all components of fuel gas mixtures such as …

A platform for more sustainable chitin films from an ionic liquid process

C King, JL Shamshina, G Gurau, P Berton… - Green …, 2017 - pubs.rsc.org
A versatile platform for the preparation of chitin films with tunable strength, morphology, and
efficacy of application has been designed from an ionic liquid process for the production of …

A theoretical and experimental chemist's joint view on hydrogen bonding in ionic liquids and their binary mixtures

A Stark, M Brehm, M Brüssel, SBC Lehmann… - Electronic effects in …, 2014 - Springer
A combined experimental and theoretical approach including quantum chemistry tools and
computational simulation techniques can provide a holistic description of the nature of the …

Triazolium-based ionic liquids: A novel class of cellulose solvents

M Brehm, M Pulst, J Kressler… - The Journal of Physical …, 2019 - ACS Publications
We present first results on triazolium-based ionic liquids (ILs) as a novel class of
nonderivatizing solvents for cellulose. Despite their chemical similarity to imidazolium …

Characterization of gasoline/ethanol blends by infrared and excess infrared spectroscopy

S Corsetti, FM Zehentbauer, D McGloin, J Kiefer - Fuel, 2015 - Elsevier
Fuels for automotive propulsion are frequently blends of conventional gasoline and ethanol.
However, the effects of adding an alcohol to a petrochemical fuel are yet to be fully …

Molecular interactions in 1-ethyl-3-methylimidazolium acetate ion pair: a density functional study

NR Dhumal, HJ Kim, J Kiefer - The Journal of Physical Chemistry …, 2009 - ACS Publications
The density functional method is used to obtain the molecular structure, electron density
topography, and vibrational frequencies of the ion pair 1-ethyl-3-methylimidazolium acetate …

Concentration‐dependent hydrogen‐bonding effects on the dimethyl sulfoxide vibrational structure in the presence of water, methanol, and ethanol

K Noack, J Kiefer, A Leipertz - ChemPhysChem, 2010 - Wiley Online Library
The effects of hydrogen bonding between dimethyl sulfoxide (DMSO) and the co‐solvents
water, methanol, and ethanol on the symmetric and antisymmetric CSC stretching vibrations …

Supported ionic liquids as highly efficient and low-cost material for CO2/CH4 separation process

BB Polesso, FL Bernard, HZ Ferrari, EA Duarte… - Heliyon, 2019 - cell.com
Physical immobilization of ionic liquids (ILs) in solid materials appears as an interesting
strategy for the development of new sorbents for CO 2 separation from natural gas. In this …