PDF and Ebooks for "humic substances molecular deta"
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Modulation of the molecular size of humic substances by organic ...
the extraction medium and removed the humic substances having molecular size below the mem- .... The data of dissociation of humic substances and ...
http://www.springerlink.com/index/yu5x25j7q57v5r32.pdf -
Humic Acid Complexation of Calcium and Copper
It is likely that the average molecular weight of the com- mercial material is considerably .... humic acid) is consistent with all titration data over a ...
http://www.princeton.edu/geosciences/people/morel/pdf/heringESTnotes1988.pdf -
SCIENTIFIC OPINION Chromium(III)-, iron(II)- and selenium-humic ...
No data demonstrating the bioavailability of iron, chromium, ...... groups within the humic acid complex, allowing humic substances to act as an ion exchanger, ... Due to the variable molecular composition of humic acids and fulvic ...
http://www.efsa.europa.eu/en/scdocs/doc/ans_ej1147_Humic_acid_fulvic_acid_op_en.pdf -
HUMIC ACID-LIKE MATTER ISOLATED FROM GREEN URBAN WASTES. PART I ...
Our long range purpose is to build a data inventory which at ...... “Molecular structure in soil humic substances: The new view,” Environ. Sci. Technol. ...
http://www.ncsu.edu/bioresources/BioRes_03/BioRes_03_1_0123_Montoneri_BQMCGM_Pt1_HumicAcid_UrbanWastes.pdf -
Reaction Products of Aquatic Humic Substances with Chlorine
shown to be formed by chlorine's reaction with humic substances. ..... molecular weight material in the original packed column data. ...
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1569047/pdf/envhper00463-0065.pdf -
Atomic Force Microscopy of Humic Acid
acids which are based on data derived from degradation analysis, ... humic acid at a molecular level. This research is therefore conducted to study the ...
http://www.informaworld.com/index/905344760.pdf -
Iodine in drinking water in Denmark is bound in humic substances
and geochemical data agree with tap water humic substances having been released from ..... Molecular size distribution of natural organic matter in raw and ...
http://www.eje-online.org/cgi/reprint/147/5/663.pdf -
PDF - Metabolic Activity of Heterotrophic Bacteria in the Presence ...
different in terms of molecular mass, chemical structure and various contributions of function .... fractions of humic substances. The data provide informa- ...
http://www.pjoes.com/pdf/9.4/267-271.pdf -
PDF - Metabolic Activity of Heterotrophic Bacteria in the Presence ...
different in terms of molecular mass, chemical structure and various contributions of function .... fractions of humic substances. The data provide informa- ...
http://www.pjoes.com/pdf/9.4/267-271.pdf -
Tritium-Labeled Humic Materials Conditions Estimated with a Use of ...
Jul 16, 2010 ... This finding is consistent with the data reported by Doblin et al. (10) ..... calculation of molecular weight of humic substances. ...
http://aem.asm.org/cgi/reprint/AEM.00905-10v1.pdf -
Characteristics of the Structure of Humic Substances of Podzolic ...
Content (%) of molecular fragments of humic and fulvic acids (according to 13C- NMR data). Soil, horizon. 0–47* 47–60 60–105 105–144 144–164 164–183 183–190 ...
http://www.springerlink.com/index/V350506732152Q28.pdf -
Investigation of the Electrostatic Properties of Humic Substances ...
the quenching data. We take two approaches to modeling fulvic acid quenching as a function of .... accurate molecular weight values for humic substances ...
http://www.princeton.edu/geosciences/people/morel/pdf/greenEST1992.pdf -
ACID-BASE AND METAL ION COMPLEXATION PROPERTIES OF HUMIC ...
a) Simulated data sets. 141 b) Simple compounds. 142 c) Humic substances ..... Synchronous Molecular Fluorescence (SyF) spectra along acid-base titrations ...
http://repositorio-aberto.up.pt/bitstream/10216/10175/2/32_TD_01_C.pdf -
HUMIC ACID AGGREGATION AND SOLUBILIZATION OF HYDROPHOBIC ORGANIC ...
Humic substances represent a subset of the natural organic matter found in soil and ... can provide insight to molecular size, aggregation state and association processes ... Therefore, a data inversion program, CONTIN, was used for the ...
http://www.envirofacs.org/Pre-prints/Vol%252040%2520No%25202/NOM/Session%25202/p29.PDF -
PROGRESSION FROM MODEL STRUCTURES TO MOLECULAR STRUCTURES OF ...
model construction with sparse objective data and the representation of complex molecular mixtures by a .... proposed a humic substance model of molecular ...
http://water.usgs.gov/nrp/proj.bib/Publications/2007/leenheer_2008.pdf -
Comparison between stability constants of cadmium and lead ...
Jun 8, 2000 ... on the molecular size of Baltic humic substances (Plechanov et al. 1983) ... Determination of stability constants was based on data from ...
http://www.iopan.gda.pl/oceanologia/424Grzyb.pdf -
Comparison between stability constants of cadmium and lead ...
Jun 8, 2000 ... on the molecular size of Baltic humic substances (Plechanov et al. 1983) ... Determination of stability constants was based on data from ...
http://www.iopan.gda.pl/oceanologia/424Grzyb.pdf -
Humic substances (HS) are the major source of C in soils ...
Nov 16, 2009 ... data derived from the application of diverse analytical ..... Molecular structures and associations of humic substances in the terrestrial ...
http://soil.scijournals.org/cgi/reprint/74/1/74.pdf -
THE presence of humic substances (HS) in the
ble such data into a molecular structure. This strat- egy is consistent with the approach that we adopted in the 1989 monograph “Humic Substances II: In ...
http://pdfs.journals.lww.com/soilsci/2001/11000/The_Principles_of_Humic_Substances.3.pdf -
Effect of Humic Acid on the Sorption of Sr(II) on Kaolinite
Each data point shown in Fig. 2 represents the average .... Different molecular weight fractions of humic substances have different binding constant for ...
http://wwwsoc.nii.ac.jp/aesj/publication/JNST2000/No.2/180-185.pdf -
Molecular dynamic simulations of the sorption of toluene in a dry ...
humic substances is far less than that in the air or in the water. By using the diffusion coefficients of contaminants predicted from the molecular dynamic ...
http://ntur.lib.ntu.edu.tw/bitstream/246246/96652/1/27.pdf -
Soil and lignin
Chemical Structure of Humic Substances. Koch BP and Dittmar T. 2006. From mass to structure: An aromaticity index for high- resolution mass data of natural ...
http://ihss.gatech.edu/documents/HumicLitReview2006.pdf -
Characterization of high molecular weight compounds in urban ...
while in laser desorption/ionization MS data are dominated by singly charged ions. ..... model for calculation of molecular weight of humic substances, ...
http://hal.archives-ouvertes.fr/docs/00/29/57/23/PDF/acp-5-2163-2005.pdf -
The influence of humic acid quality on the sorption and mobility ...
It can be stated on the basis of the acquired data that heavy metals tend to form complexes with soil ..... troscopic methods of HA chemical structure identifica- .... Malcolm M.L. (1990): The uniqueness of humic substances ...
http://www.cazv.cz/2003/PSE12_03/7-barancikova.pdf -
The influence of humic acid quality on the sorption and mobility ...
It can be stated on the basis of the acquired data that heavy metals tend to form complexes with soil ..... troscopic methods of HA chemical structure identifica- .... Malcolm M.L. (1990): The uniqueness of humic substances ...
http://www.cazv.cz/2003/PSE12_03/7-barancikova.pdf -
unkown - Chapter 14 MITIGATING ACTIVITY OF HUMIC SUBSTANCES ...
high molecular weight compounds similar to soil humic acids according to the data of elemental analysis, size-exclusion chromatography, IR and 13C-NMR ...
http://www.mgumus.chem.msu.ru/publication/2005/kulikova-mitigating-05.pdf -
NEXAFS spectroscopy with a laser plasma x-ray source on soil samples
our group and allows to fit the NEXAFS-data with a combination of arctangent, ... Thus, since humic substances do not have an exactly defined chemical ...
http://iopscience.iop.org/1742-6596/186/1/012034/pdf/1742-6596_186_1_012034.pdf -
How many carboxyl groups does an average molecule of humic-like ...
upper end of the molecular mass range set by the data re- ported earlier. ..... plexation of humic substances with the Stockholm humic model, ...
http://www.atmos-chem-phys.org/8/5997/2008/acp-8-5997-2008.pdf -
Distribution Model for Binding of Protons and Metal Ions by Humic ...
molecular size fractions of aquatic humus do not decrease .... by titration of metal into a humic substance, to generate the data set. ...
http://mounier.univ-tln.fr/rcmo/php_biblio/PDF/423.pdf -
Volume 16, Issue 2 193 SORPTION OF TRACE METALS BY HUMIC MATERIALS ...
molecular configurations of even fractionated humic substances in any but the most ...... molecular structural data are available. No a priori molecular ...
http://www.informaworld.com/index/907546118.pdf -
Effects of dietary humic substances on pig growth performance ...
May 22, 2010 ... test the effects of various dietary humic substances (HS;. HS1, 2, 3, and 4, each with different fulvic ... weight acids with a molecular weight range between. 1The authors acknowledge carcass measurement data collection ...
http://jas.fass.org/cgi/reprint/84/9/2482.pdf -
Activated carbon adsorption of humic substances
humic substances. Kavanagh's” data for tannic acid removal showed that iron .... molecular-weight fraction (c 1000 MW) of cial humic acid peat fulvic acid ...
http://www.awwa.org/googlescholar/waternet.0006264.pdf -
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