buffering capacity, temporary or carbonate hardness, measured in degrees (K is from the German word karbonate). KH makes up a component of GH, q.v., so boiling will also reduce GH slightly. One degree KH is equal to 17.9 mg/l CaCO3. The degree symbol may be replaced with a d, e.g. 2 dKH)

Dictionary of ichthyology. 2009.

Игры ⚽ Поможем сделать НИР

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