CEC measurement principle (original) (raw)
CEC measurement principleCa 2+ K + Na + K + K + Mg 2+ Ca 2+ Ca 2+ Ca 2+ - - - - - - - - - - - - Soil particle - - permanent charge Ca 2+ K + Na + K + K + Ca 2+ Ca 2+ Ca 2+ Mg 2 + - - - - - - - - - - - - - - Soil particle NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + - - - - - - - - - - - - - - Soil particle K + K + K + K + K + K + K + K + K + K + K + K + K + K + K + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + NH 4 + measure the displaced original cations or displace the added ions and measure these