About: DKH

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Degrees of carbonate hardness (dKH or °KH; the K is from the German Karbonathärte) is a unit of water hardness, specifically for temporary or carbonate hardness. Carbonate hardness is a measure of the concentration of carbonates such as calcium carbonate (CaCO3) and magnesium carbonate (MgCO3) per volume of water. Specifically, 1 dKH is defined as 17.86 milligrams (mg) of calcium carbonate per litre of water, i.e. 17.86 ppm. Since a mole of calcium carbonate weighs 100.09 grams, 1 dKH is equivalent to 0.17832 mmol per litre. dKH are the same as °fH, degrees of French hardness.

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  • Degrees of carbonate hardness (dKH or °KH; the K is from the German Karbonathärte) is a unit of water hardness, specifically for temporary or carbonate hardness. Carbonate hardness is a measure of the concentration of carbonates such as calcium carbonate (CaCO3) and magnesium carbonate (MgCO3) per volume of water. Specifically, 1 dKH is defined as 17.86 milligrams (mg) of calcium carbonate per litre of water, i.e. 17.86 ppm. Since a mole of calcium carbonate weighs 100.09 grams, 1 dKH is equivalent to 0.17832 mmol per litre. dKH are the same as °fH, degrees of French hardness. (en)
  • Los grados de dureza de carbonatos (dKH o °KH) son una unidad de dureza del agua, específicamente de dureza temporal o de carbonatos. La dureza temporal es una medida de la concentración de carbonatos, como el carbonato de calcio (CaCO3) y el carbonato de magnesio (MgCO3), por volumen de agua. Específicamente, 1 dKH se define como 17,86 miligramos (mg) de carbonato de calcio por litro de agua, es decir, 17,86 ppm. Como un mol de carbonato de calcio pesa 100,09 gramos, 1 dKH es equivalente a 0,17832 mmol por litro. Los dKH son iguales a los °fH, denominados grados de dureza francesa. (es)
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  • Degrees of carbonate hardness (dKH or °KH; the K is from the German Karbonathärte) is a unit of water hardness, specifically for temporary or carbonate hardness. Carbonate hardness is a measure of the concentration of carbonates such as calcium carbonate (CaCO3) and magnesium carbonate (MgCO3) per volume of water. Specifically, 1 dKH is defined as 17.86 milligrams (mg) of calcium carbonate per litre of water, i.e. 17.86 ppm. Since a mole of calcium carbonate weighs 100.09 grams, 1 dKH is equivalent to 0.17832 mmol per litre. dKH are the same as °fH, degrees of French hardness. (en)
  • Los grados de dureza de carbonatos (dKH o °KH) son una unidad de dureza del agua, específicamente de dureza temporal o de carbonatos. La dureza temporal es una medida de la concentración de carbonatos, como el carbonato de calcio (CaCO3) y el carbonato de magnesio (MgCO3), por volumen de agua. Específicamente, 1 dKH se define como 17,86 miligramos (mg) de carbonato de calcio por litro de agua, es decir, 17,86 ppm. Como un mol de carbonato de calcio pesa 100,09 gramos, 1 dKH es equivalente a 0,17832 mmol por litro. Los dKH son iguales a los °fH, denominados grados de dureza francesa. (es)
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  • DKH (en)
  • DKH (es)
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