TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

LOI METHOD [1 record]

Record 1 1997-07-29

English

Subject field(s)
  • Environmental Studies and Analyses
  • Metrology and Units of Measure
CONT

Three methods for determining organic matter are given below. The first is the classical Walkley-Black method .... The third method of estimating soil organic matter, loss of weight on ignition, is included because of hazards associated with the use of Cr2O72-. This ion in a strong acid medium is a powerful oxidant. It is corrosive to skin, mucous membranes, the respiratory tract and the gastrointestinal tract. It may create a cancer risk. Some municipalities restrict the amount of Cr that can be discharged into the sewage system. For these reasons, alternative procedures not involving Cr2O72- have been sought.

OBS

Cr2O72-.

French

Domaine(s)
  • Études et analyses environnementales
  • Unités de mesure et métrologie
OBS

Voir aussi, dans Termium, la fiche perte par calcination (loss on ignition ou LOI en anglais).

Spanish

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