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hydrogen ion concentration

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hydrogen ion concentration [′hī·drə·jən ′ī‚än ‚käns·ən‚trā·shən]
(chemistry)
The normality of a solution with respect to hydrogen ions, H+; it is related to acidity measurements in most cases by pH = log 1/2 [1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution.
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The central chemoreceptors respond to changes in cerebral spinal fluid of the hydrogen ion concentration (minus the log of the hydrogen ion concentration or pH).
Control of ventilation and hypercapnic studies by Harvey, Jim / FOCUS: Journal for Respiratory Care & Sleep Medicine
It is actually the concentration of hydrogen ions present in your aquarium tank, and as you know, hydrogen ion concentration refers to acidity of the water in the tank.
Six Reasons Why You Should Never Neglect Changing Water in Your ... by Devin Gilliland / Pets and Animals community
The way a buffer works is to absorb or release H+ ions to keep the hydrogen ion concentration at a specific level.
Staying Healthy Means Keeping Your Blood in the Proper PH by Darrell Miller / Health, general community
 
 
 
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