Ionized
Water
Are
There Real Health Benefits From Drinking This Type Of Water?
What is "ionized water"?
The term is essentially meaningless.
True, it is possible for water to contain
dissolved ions (electrically-charged atoms or molecules), but that's something
else again.
Almost all waters found in nature acquire
ions such as calcium and bicarbonate as they come into contact with rocks and
sediments.
Even the purest rainwater contains some
hydrogen- and bicarbonate ions that are formed when it picks up carbon dioxide
in the atmosphere.
Pure water consists almost entirely of H2O
molecules loosely bound in a network-like structure in which individual
molecules are constantly changing partners.
Water molecules exhibit a very slight tendency
to dissociate ("ionize") into hydrogen ions and hydroxide ions: H2O
; H+ + OH- but the extent of this reaction is severely limited by the fact that
the reverse of this reaction is much more rapid, so that on the average, only
about two out of every billion H2O molecules is dissociated.
No electrical device or chemical additive is
capable of increasing these ion concentrations in pure water above this very
minute level which is so small that for most practical purposes pure water can
be considered to be ion-free, as evidenced by the fact that it will not conduct
an electric current.
Acidic and alkaline water, pH all water and
all aqueous solutions contain both H+ and OH– ions. If the quantity of H+
exceeds that of the OH-, the water is said to be acidic.
If there are more OH- ions than H+, the water
is alkaline. Pure water, which contains equal numbers of both ions, is said to
be neutral.
Chemists express the degree of acidity or
alkalinity on the pH scale which runs from about 0 to 14. Acidic solutions have
pH values of less than 7, alkaline solutions more than 7.
Pure water, being neutral, has a pH of
exactly 7. Each unit on the pH scale represents a hundred-fold change in the
ratio of the two kinds of ions; for example, if the pH is 8, there are 100
times as many OH- ions than H+ ions (that is, [H+] = 10-8, [OH-] = 10-6.)
Whether a water is acidic or alkaline, it
will always contain equal numbers of positive and negative electric charges.
Since alkaline water contains an excess of
OH- ions, it must also contain some other kind of positive ion in addition to
H+ in order to equalize the opposite charges.
This extra positive ion is almost always a
metal ion such as sodium, calcium or magnesium.
Similarly, an acidic water must always
contain negative ions in addition to OH-; the most common of these is
bicarbonate HCO3-. This means that waters whose pH differs from 7 are never
"pure" in the chemical sense.
"Ionized water" is one of many
products and panaceas that the wonky-water wellness industry flogs onto the
large segment of the general public that lacks the scientific background to
distinguish scientific fact from pseudoscientific hype when the two are closely
intertwined.
What most of these treatment devices actually
sell are grossly overpriced electrical devices that purport to produce
"ionized" and alkaline water by the process of electrolysis.
Here's basically the bottom line when it
comes to ionized water...
· "Ionized water" is nothing more
than sales fiction; the term is meaningless to chemists.
· Most water that is fit for drinking is too
unconductive to undergo significant electrolysis.
· Pure water can never be alkaline or acidic,
nor can it be made so by electrolysis.
· Groundwater containing metal ions such as
calcium and magnesium can be rendered slightly alkaline by electrolysis, but
after it hits the highly acidic gastric fluid in the stomach, its alkalinity is
gone.
· The idea that one must consume alkaline water
to neutralize the effects of acidic foods is ridiculous; we get rid of excess
acid by exhaling carbon dioxide.
· The claims about the health benefits of
drinking alkaline water are not supported by credible scientific evidence.
· There is nothing wrong with drinking slightly
acidic waters such as rainwater. "Body pH" is a meaningless concept; different
parts of the body (and even of individual cells) can have widely different pH
values.
· If you really want to de-acidify your stomach
(at the possible cost of interfering with protein digestion), why spend
hundreds of dollars for an electrolysis device when you can take
calcium-magnesium pills, Alka-Seltzer or Milk of Magnesia?
· Electrolysis devices are generally worthless
for treating water for health enhancement, removal of common impurities,
disinfection, and scale control.
In the end, it's better to keep your money in
your pocket before shelling out a lot of money on an ionizer.
http://www.freedrinkingwater.com/water_health/health2/health-benefits-from-drinking-ionized-water.htm
http://www.freedrinkingwater.com/water_health/health2/health-benefits-from-drinking-ionized-water.htm
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