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14.3.3 Grams of Biomass per Gram of Initial Fresh or Dry Sample

The effect of water and dry matter loss on the apparent biomass concentration can be removed by expressing the biomass on the basis of an initial quantity of solids. One possibility would be to define the biomass concentration in terms of the initial mass of moist solids:

C - X _ X _ _ XW ~ X„ + S„ + W ~ D + W ~ M ' (14.3)

- o ' ^ o ' " o ^ o ' " o where the subscript "o" indicates initial masses of the various components. However, this has been used only rarely, since it is more common to work in terms of dry solids:

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