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Study of Interactions between Relevant Organic Acids and Aluminium in Model Solutions Using HPLC and IC
aluminium speciation citric acid
2015/7/28
Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural
Resources, Czech University of Life Sciences Prague,ments were carried out at low pH (1.5–3.1). The results o...
Development of organic acids and volatile compounds in cider during malolactic fermentation
cider malolactic fermentation GC-MS volatile components
2014/3/28
The effect of malolactic fermentation (MLF) on the flavour quality of cider was examined. Leuconostoc mesenteroides subsp. mesenteroides Z25 was used to start MLF taking place at 25°C for 12 days afte...
Organic acids as cloud condensation nuclei：Laboratory studies of highly soluble and insoluble species
Organic acids cloud condensation nuclei soluble and insoluble species
2009/3/10
The ability of sub-micron-sized organic acid particles to act as cloud condensation nuclei (CCN) has been examined at room temperature using a newly constructed continuous-flow, thermal-gradient diffu...
Optical properties in the UV and visible spectral region of organic acids relevant to tropospheric aerosols
Optical properties UV organic acids tropospheric aerosols
2009/3/5
Refractive and absorption indices in the UV and visible region of selected aqueous organic acids relevant to tropospheric aerosols are reported. The acids investigated are the aliphatic dicarboxylic a...
Low molecular weight organic acids in aerosol particles from Rondônia, Brazil, during the biomass-burning, transition and wet periods
Low molecular weight organic acids aerosol particles Brazil
2009/2/7
Particles from biomass burning and regional haze were sampled in Rondônia, Brazil, during dry, transition and wet periods from September to November 2002, as part of the LBA-SMOCC (Large-Scale B...
Modelling the cloud condensation nucleus activity of organic acids on the basis of surface tension and osmolality measurements
cloud condensation nucleus organic acids surface tension osmolality measurements
2008/12/18
In this study vapour pressure osmometry was used to determine water activity in the solutions of organic acids. The surface tension of the solutions was also monitored in parallel and then Köhler...
Heterogeneous uptake of the C1 to C4 organic acids on a swelling clay mineral
C. D. Hatch R. V. Gough M. A. Tolbert
2008/12/17
Mineral aerosol is of interest due to its physiochemical impacts on the Earth's atmosphere. However, adsorbed organics could influence the chemical and physical properties of atmospheric mineral part...
A fate for organic acids, formaldehyde and methanol in cloud water: their biotransformation by micro-organisms
organic acids formaldehyde cloud water biotransformation micro-organisms
2008/12/16
The interactions between microbial and chemical contents of cloud water were investigated. First, we observe that the bulk cloud water solution provides a substantial environment where bacteria can de...
Effects of Organic Acids on Growth Performance, Gastrointestinal pH, Intestinal Microbial Populations and Immune Responses of Weaned Pigs
Organic Acids Antibiotics Weaned Pigs Growth Performance Gastrointestinal pH Microbial Population
2016/4/27
Two experiments were conducted to compare the effects of feeding organic acids and antibiotic growth promoters in weaned pigs. In Exp. 1, 96 nursery pigs (Large White??Landrace; initial weight 7.80??....
Effects of Halogenated Compounds, Organic Acids and Unsaturated Fatty Acids on In vitro Methane Production and Fermentation Characteristics
Methane Fermentation Halogenated Compounds Organic Acids Unsaturated Fatty Acids
2016/4/18
The objective of this study was to evaluate the effects of halogenated compounds, organic acids, unsaturated fatty acids and their mixtures on in vitro methane production and fermentative characterist...
Nitrogen Retention and Chemical Composition of Urea Treated Wheat Straw Ensiled with Organic Acids or Fermentable Carbohydrates
Wheat Straw Urea Organic Acids Fermentable Carbohydrates Nitrogen Retention Chemical Composition
2016/4/14
The influence of varying levels of urea and additives on nitrogen (N) retention and chemical composition of wheat straw was studied. The wheat straw was treated with 4, 6 and 8% urea and ensiled with ...
Effect of Organic Acids on Microbial Populations and Salmonella typhimurium in Pork Loins
Lactic Acid Citric Acid Acetic Acid Salmonella Typhimurium Total Plate Counts Coliforms
2016/4/12
The objective of this study was to evaluate the effects of various organic acids on microbial characteristics and Salmonella typhimurium in pork loins. Fresh pork loins were sprayed with various organ...
Simultaneous Determination of Inorganic Anions and Organic Acids by Capillary Electrophoresis
Simultaneous Determination Inorganic Anions Organic Acids Capillary Electrophoresis
2010/6/27
A rapid, easy, and reproducible method for the simultaneous determination of inorganic anions and organic acids is reported. The method is based on the separation of anions in a capillary coated with ...
Evolution of Hematite Surface Microtopography Upon Dissolution by Simple Organic Acids
Atomic force microscope Clay mineral surfaces Dissolution Hematite Organic acids
2011/12/1
Abstract: The surface microtopography of hematite over the course of dissolution in oxalic and citric acids was examined by in-situ and ex-situ atomic-force microscopy, In-situ imaging of the basal-pl...