TY  - GEN
AU  - Lofts,Stephen
AU  - Spurgeon,David J
AU  - Svendsen,Claus
AU  - Tipping,Edward
TI  - Deriving soil critical limits for Cu, Zn, Cd, and Pb: a method based on free ion concentrations
SN  - 0013-936X
PY  - 2004///1101
KW  - Cations
KW  - chemistry
KW  - Chemistry Techniques, Analytical
KW  - methods
KW  - Ecosystem
KW  - Hydrogen-Ion Concentration
KW  - Linear Models
KW  - Metals, Heavy
KW  - analysis
KW  - Models, Chemical
KW  - Reference Standards
KW  - Soil
KW  - Toxicology
N1  - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1021/es030155h
ER  -