[PDF] Top 20 Method for the determination of concentration and stable carbon isotope ratios of atmospheric phenols
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Method for the determination of concentration and stable carbon isotope ratios of atmospheric phenols
... of isotope ratios to substantiate the validity of ex- trapolation of smog chamber studies to atmospheric condi- tions (Irei et ...2011). Stable carbon isotopic compositions of SOA ... See full document
10
A method for stable carbon isotope ratio and concentration measurements of ambient aromatic hydrocarbons
... of stable carbon isotope ratios and concentration of ambient volatile organic compounds (VOCs) is ...and isotope ratio analysis by iso- tope ratio mass spectrometry. The ... See full document
13
Assessment of the authenticity of fruit spirits by gas chromatography and stable isotope ratio analyses
... by isotope ratio mass spectrometry – IRMS analysis as well as SNIF–NMR analysis of (D/H)I and (D/H)II ratios in ethanol are prospective analytical methods which can be used for checking the authenticity of ... See full document
8
Continuous-flow isotope ratio mass spectrometry method for carbon and hydrogen isotope measurements on atmospheric methane
... XL isotope ratio mass spectrometer. Dur- ing a single run the isotope composition of the sample peak is compared to a MS running gas that is admitted from the ref- erence open split ...very stable, ... See full document
15
Method for determination of stable carbon isotope ratio of methylnitrophenols in atmospheric particulate matter
... The method presented here allows compound specific sta- ble carbon isotope ratio measurements in POM for com- pounds with an identified VOC ...precursors. Carbon isotope ratios ... See full document
12
Unravelling collembolan life belowground: Stoichiometry, metabolism and release of carbon and nitrogen
... of carbon and nitrogen and the mechanisms mediating them (Petersen 1980; Sjursen and Holmstrup 2004; Verhoef et ...of carbon and nitrogen differed between different ...of carbon and nitrogen (Chen et ... See full document
38
Spatio-temporal variation of stable isotope ratios in earthworms under grassland and maize cropping systems
... of stable isotopes have been successfully applied to determine feed- ing preferences and resource partitioning in a number of invertebrates, mainly earthworms (Martin et ...N ratios offers more valuable ... See full document
10
Evaluating larval mosquito resource partitioning in western Kenya using stable isotopes of carbon and nitrogen
... occurring stable isotopes to examine inter- and intra-specific resource partitioning among larval ...the carbon and nitrogen stable isotope ratios of larvae sharing the same habitats in ... See full document
7
Dry to Wet Season Organic Matter Dynamics and Dissolved Inorganic Carbon Sources Mixing in a Tropical Rainforest, La Selva Biological Station, Costa Rica.
... for carbon (C) research due to their geological setting, often involving active geothermal systems beneath ...inorganic carbon (DIC) and particulate organic matter ... See full document
97
Stable isotope analyses of bat fur: Applications for investigating North American bat migration
... surrounding atmospheric water ...of atmospheric water vapour vary both geographically and temporally, resulting in variability of the total δD values of otherwise identical organic samples among ... See full document
241
Laser-based measurements of <sup>18</sup>O/<sup>16</sup>O stable isotope ratios (δ<sup>18</sup>O) in wine samples
... internal water standards and corrected for the m BB and m NB values using the previous equations) is offset from the IRMS values by + 1.39‰. After taking this offset into account, the two values agree to within ± 0.63‰ ... See full document
8
Intrinsic and extrinsic forcing in life histories : patterns of growth and stable isotopes in male Antarctic fur seal teeth
... both stable isotope time series could be attributed to shifts in diet of fur seals if fur seals are feed- ing more exclusively on krill swarms than in previous ... See full document
10
Interpretation and application of carbon isotope ratios in freshwater diatom silica
... river epilithon demonstrates the close linkages between carbon cycling in freshwater networks and their catchments. In support of findings by Maberly et al. (2013), more productive catch- ments are associated with ... See full document
10
Archaeological bone lipids as palaeodietary markers
... Comparison of stable carbon isotope composition of palmitic and stearic fatty acid from acidified methanol method 1; A and sequential solvent/ acidified methanol extraction method 2; B o[r] ... See full document
23
Method for the determination of the mechanical properties of pea stems
... The method for the determination of the mechanical properties of pea stems was developed on the basis of the static test, using an Instron strength ...the determination of the second moment of cross ... See full document
5
Continental carbonate facies of a Neoproterozoic panglaciation, north east Svalbard
... Carbon and oxygen stable isotope data are presented here as δ13C and δ18O in parts per... and other isotope analyses will be presented elsewhere..[r] ... See full document
87
Methane oxidizing seawater microbial communities from an Arctic shelf
... Abstract. Marine microbial communities can consume dis- solved methane before it can escape to the atmosphere and contribute to global warming. Seawater over the shallow Arc- tic shelf is characterized by excess methane ... See full document
19
Transfer of environmental signals from the surface to the underground at Ascunsă Cave, Romania
... Rainfall isotope data presented here show that Ascuns˘a Cave and its surroundings are nowadays mostly influenced by re- cycled Atlantic moisture, with a reduced Mediterranean con- ...past atmospheric ... See full document
17
McGlynn, George (2007): Using 13C-, 15N-, and 18O stable isotope analysis of human bone tissue to identify transhumance, high altitude habitation and reconstruct palaeodiet for the early medieval Alpine population at Volders, Austria. Dissertation, LMU München: Fakultät für Biologie
... N ratios for both adult men and women had a mean of ...of isotope values is remarkable in terms of a number of δ 15 N ratios observed which spanned over two trophic levels and indicate a significant ... See full document
245
Determination of Subsurface Nitrogen Contamination using Tree Leaves and Stable Nitrogen Isotope Ratios.
... Lagoon sludge was collected to quantify the δ 15 N-N isotopic signature of the lagoon solids. Sludge samples were collected according to modified methods found in Moore et al., (2005). Using a clean sampling pitcher on ... See full document
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