Assessment of heavy metal and soil organic carbon by portable X-ray fluorescence spectrometry and NixPro™ sensor in landfill soils of India

Agriculture & Biology

• X-ray fluorescence spectroscopy 100%
• landfills 80%
• soil organic carbon 71%
• heavy metals 55%
• India 43%
• agricultural soils 42%
• soil 31%
• kriging 17%
• organic carbon 13%
• methane production 13%
• soil types 12%
• risk factors 12%
• human health 11%
• pollution 10%
• color 7%
• methodology 6%
• testing 4%

Earth & Environmental Sciences

• X-ray fluorescence 63%
• spectrometry 61%
• landfill 55%
• organic carbon 48%
• heavy metal 45%
• sensor 43%
• agricultural soil 38%
• soil 26%
• methanogenesis 14%
• risk factor 12%
• index 12%
• kriging 12%
• soil type 11%
• human health 10%
• contamination 8%
• pollution 8%
• in situ 7%
• matrix 7%
• indicator 7%
• method 5%