• Size resolved mass concentration and elemental

    Size resolved mass concentration and elemental composition J Smolik et al Title Page Abstract Introduction Conclusions References Tables Figures J I J I Back Close Full Screen / Esc Print Version Interactive Discussion c EGU 2003 first sample was taken from 10 July 2000, 10:00 to 11 June 2000, 10:00 local time Due

  • Mass concentration and elemental composition of

    The mass concentration and the elemental composition of PM 25 and PM 10 were measured in 40 rooms (mainly offices or mixed officelab rooms, and photocopying places) of the Aristotle University of Thessaloniki, northern Greece A total of 27 major, minor and trace elements were determined by EDXRF analysis The PM 25</SUB>/PM <SUB>10</SUB> concentration ratios averaged 08±02, while

  • Cited by: 123
  • Size resolved mass concentration and elemental

    J Smol´ık et al: Size resolved mass concentration and elemental composition 2209 Sampling at Finokalia was carried out on the roof of small building The impactor, with an inlet providing approximately 15µm upper cutoff particle size, was positioned at a height of about 3m above the ground To reduce particle

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  • Multi elemental composition of Slovenian milk: analytical

    methods for elemental composition in milk samples including EDXRF, k0INAA and ICPMS; and (2) to differentiate the milk according to geographical region in Slovenia based on elemental composition Sample preparation and the analysis procedure for each of the above mentioned analytical techniques are described and a comparison of analytical and

  • How to use the elemental composition tool in UNIFI

    PROCEDURE The standard UNIFI workflow if focused on looking for known components If a customer is trying to elucidate unknowns, this workflow does not work Data needs to be processed before the elemental composition tool can be used in the Review tab, and this can be very inconvenient

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  • Trace Elemental Composition in PM10 and PM25

    Mass concentration and elemental composition of airborne particulate matter at street and background locations Atmos Environ , 31 ( 8 ) ( 1997 ) , pp 1185 1993 View Record in

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  • Elemental composition of ambient aerosols measured

    2062 M Furger et al: Elemental composition of ambient aerosols applied to aerosol characterization in the last decades Measurement of low sample mass typically requires high sensitivity (or a low minimum detection limit, MDL) and hence access

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  • Elemental Analysis of Organic Species with Electron

    If the elemental composition of each fragment ion signal in a mass spectrum can be identified (as with HRMS), the average composition of the ions can be calculated Since the ion current produced by EI is approximately proportional to the total molecular mass present, the same ion current at different m/z’s represents the same original mass

  • Elemental Analysis Manual Section 4

    The following is a section of the Elemental Analysis Manual for Food and Related Products For additional information and to view other sections of the manual, visit the Elemental Analysis Manual

  • Source Apportionment and Elemental Composition of

    This work presents a comprehensive study on concentrations and elemental composition of total suspended atmospheric particulates for a semiurban site on the Red Sea coast, and onboard a research vessel, which collected offshore samples along the Red Sea We conducted one of the most extended measurement campaigns of atmospheric particulates ever for the region, with continuous

  • Multi elemental composition of Slovenian milk: analytical

    methods for elemental composition in milk samples including EDXRF, k0INAA and ICPMS; and (2) to differentiate the milk according to geographical region in Slovenia based on elemental composition Sample preparation and the analysis procedure for each of the above mentioned analytical techniques are described and a comparison of analytical and

  • Depth heterogeneity of elemental composition

    Depth heterogeneity of elemental composition, concentration of functional groups and degree of crosslinking in the active layers of reverse osmosis and nanofiltration membranes / Coronell, Orlando; Gonzalez, Mari; Marinas, Benito Jose; Cahill, David G 2009 AWWA Membrane Technology Conference and Exposition 2009

  • Elemental and isotopic composition of occluded O 2

    A procedure has been developed to measure the relative concentrations of N 2 , O 2 , Ar, the δ 18 O of O 2 , and the δ 15 N of N 2 trapped in Antarctic and Greenland ice cores To date, we have analyzed 13 samples of trapped air in recent (<2200 years BP) ice from eight sites The composition of the trapped gases was determined by mass spectrometry and the results expressed in delta

  • Elemental composition of ambient aerosols measured

    2062 M Furger et al: Elemental composition of ambient aerosols applied to aerosol characterization in the last decades Measurement of low sample mass typically requires high sensitivity (or a low minimum detection limit, MDL) and hence access

  • Determination of the elemental composition of

    Typically, mass spectra are obtained on the system by scanning through the mass range 0–100 Da in 005 Da steps, with a duration of 100 msec per step and 200 sec in all While obtaining spectra, the ion beam is scanned over the area of interest, usually at low magnification to limit the damage caused to the specimen by sputtering

  • Study of Spleen Elemental Composition Using CFLIBS

    examined the elemental composition of human spleen samples putting emphasis on iron concentration and its relation to certain splenic diseases Cafree LIBS (CFlibration LIBS) is a standardless method developed for quantitative analysis [Ciucci et

  • The assessment of the usability of selected

    They determined the content of Ca, Mg and Fe in rabbit arteries and developed analytical procedure allowing determination of the elemental composition for very small amount of the sample of

  • Elemental Analysis of Organic Species with Electron

    If the elemental composition of each fragment ion signal in a mass spectrum can be identified (as with HRMS), the average composition of the ions can be calculated Since the ion current produced by EI is approximately proportional to the total molecular mass present, the same ion current at different m/z’s represents the same original mass

  • Size distribution, mass concentration, chemical and

    Size distribution, mass concentration, chemical and mineralogical composition and derived optical parameters of the boundary layer aerosol at Tinfou, Morocco, during SAMUM 2006 February 2009

  • ELEMENAL COMPOSITION DETERMINATION OF SOIL

    elemental composition determination by ICP MS method The analysis gave information about elemental distributions correlations between elements which can originate from extraterrestrial matter Methodology: In situ sampling procedure of environmental material, mainly soil samples, from fall

  • Depth heterogeneity of elemental composition

    Depth heterogeneity of elemental composition, concentration of functional groups and degree of crosslinking in the active layers of reverse osmosis and nanofiltration membranes / Coronell, Orlando; Gonzalez, Mari; Marinas, Benito Jose; Cahill, David G 2009 AWWA Membrane Technology Conference and Exposition 2009

  • Characterization of the elemental composition of

    Characterization of the elemental composition of newborn blood spots using sectorfield inductively coupled plasmamass spectrometry Erica K Langer 1 na1, Kimberly J Johnson 2

  • Determination of the elemental composition of

    Typically, mass spectra are obtained on the system by scanning through the mass range 0–100 Da in 005 Da steps, with a duration of 100 msec per step and 200 sec in all While obtaining spectra, the ion beam is scanned over the area of interest, usually at low magnification to limit the damage caused to the specimen by sputtering

  • The assessment of the usability of selected

    They determined the content of Ca, Mg and Fe in rabbit arteries and developed analytical procedure allowing determination of the elemental composition for very small amount of the sample of

  • Study of Spleen Elemental Composition Using CFLIBS

    examined the elemental composition of human spleen samples putting emphasis on iron concentration and its relation to certain splenic diseases Cafree LIBS (CFlibration LIBS) is a standardless method developed for quantitative analysis [Ciucci et

  • Application of TXRF and XRPD techniques for analysis of

    Elemental composition of human kidney stone A typical TXRF spectrum of a human kidney stone sample is presented in Fig 1 The time of spectrum collection was 30 min The registered spectrum allows determining the concentration of elements whose characteristic Xrays are in the energy range of about 1 to 15 keV both for K and L series

  • Gas ChromatographyMass Spectrometry

    mass spectrometric detector (MSD), which allows obtaining the "fingerprint" of the molecule, ie, its mass spectrum Mass spectra provide information on the molecular weight, elemental composition, if a high resolution mass spectrometer is used, functional groups present, and, in some cases, the geometry and spatial isomerism of the molecule 2

  • Unit 19: Practical Chemical Analysis Edexcel

    from its % elemental composition, infrared spectrum, mass spectrum and 1H NMR spectrum P3 carry out practicals to determine concentrations from spectroscopic techniques [EP3,4,5] M3 describe the stages in developing a method for finding the concentration of a solution using a spectroscopic technique P4 carry out practicals to separate mixtures

  • ASTM E2330 19 Standard Test Method for

    14 This procedure is applicable to other elements, other types of glass, and other concentration ranges with appropriate modifications of the digestion procedure (if needed for full recovery of the additional elements), calibration standards and the mass spectrometer conditions Calcium and potassium, for example, could be added to the list of analytes in a modified analysis scheme

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