搜索结果: 1-5 共查到“地球化学 Ratio”相关记录5条 . 查询时间(0.093 秒)
Comparison of water isotope analysis between cavity ring-down spectroscopy and isotope ratio mass spectrometry
oxygen isotopes hydrogen isotopes water isotope ratio mass spectrometry (IRMS) cavity ring-down spectroscopy (CRDS)
2017/4/10
δD and δ18O of natural waters with δ18O ranging from –24 to –6‰ were measured using a cavity ring-down spectroscopy
(CRDS) in order to confirm that the CRDS method can be an alternative to convention...
Stable chlorine isotope ratio analysis of subnanomolar level methyl chloride by continuous-flow isotope ratio mass spectrometry
stable chlorine isotope ratio continuous flow isotope ratio mass spectrometry methyl chloride
2017/4/11
An analytical system using continuous-flow isotope ratio mass spectrometry (CF-IRMS) was developed to determine
the stable chlorine isotope ratios (δ37Cl) for CH3Cl. By using appropriate devices for ...
Isotopic ratio of radioactive iodine (129I/131I) released from Fukushima Daiichi NPP accident
Fukushima iodine accelerator mass spectrometry isotopic ratio soil
2017/4/11
In March 2011, there was an accident at the Fukushima Daiichi Nuclear Power Plant (NPP) and a discharge of
radionuclides resulting from a powerful earthquake. Considering the impact on human health, ...
New sequential separation procedure for Sr, Nd and Pb isotope ratio measurement in geological material using MC-ICP-MS and TIMS
Sr Nd isotope ratio MC-ICP-MS TIMS
2017/8/10
A new 3-step sequential separation chemistry for Sr, Nd and Pb from silicate samples, which is suitable for isotope analysis by MC-ICP-MS as well as TIMS, has been developed. The chemistry is designed...
Correction of H3 + Contributions in Hydrogen Isotope Ratio Monitoring Mass Spectrometry
Hydrogen Isotope Ratio Monitoring Mass Correction
2014/4/8
Two fundamentally different approaches, termed “pointwise” and “peakwise,” are currently used to correct
hydrogen isotope ratio monitoring data for the presence
of H3
+
ion contributions. Consider...