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Latest revision as of 16:43, 2 August 2022

Chemical and physical properties of biochar.
Link to this table

Property Range found in literature1 Median value from literature
Total phosphorus (%) 0.0061 - 1.086 0.0618
Total nitrogen (%) 1.2 - 2.4 0.88
Total potassium (%) 0.0079 - 1.367 0.181
Total carbon (%) 24.2 - 90.9 66
Total hydrogen (%) 0.67 - 4.3 2.8
Total oxygen (%) 2.69 - 28.7 16.3
pH 6.43 - 10.4 9.66
Cation exchange capacity (cmol/kg) 0.1 - 562 43.1
Surface area (m2/g 2.78 - 203 30.6
Electrical conductivity (μs/cm) 100 - 2221 231.5
Pore volume (cm3/g) 0.006 - 0.51 0.036
Total calcium (%) 0.0954 - 3.182 0.590
Total magnesium (%) 0.0297 - 0.2801 0.0587
Total copper (%) 0.0001 - 0.0078 0.00025
Total zinc (%) 0.0002 - 0.0152 0.00135
Total aluminum (%) 0.001 - 0.1929 0.0290
Total iron (%) 0.0009 - 0.2209 0.0333
Total manganese (%) 0.0001 - 0.1025 0.00145
Total sulfur (%) 0.01 - 0.44 0.05
Primary references for this data:
  • Gai et. al, 2014
  • Krishna et al., 2014
  • Yaoa et al., 2011
  • Zhaoa et al., 2013
  • Rimena et al., 2017
  • Jindo et al., 2014

This page was last edited on 2 August 2022, at 16:43.