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PostPosted: May 25th, '09, 08:04 
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I have the strangest feeling this has something to do with redox unfortunately BRB at this point I am only making uneducated guesses :)


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PostPosted: May 25th, '09, 10:32 
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Thanks Sleepe, and after looking up Redox I realized that my guess was even less educated than I thought! :lol:


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PostPosted: Jun 1st, '09, 19:51 
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I just got back from vacation. We will not know if they are blowing smoke or telling the full truth until its tried, and even then I'll probably be the only one to try it. Even so, I will test it and post the results just in case anyone is interested. BTW, what is the pH of H2O3?

I like the idea of using iron electrodes as I do not have any pure nickel. Where can I find a sheet of pure iron? Steel tends to blacken water. Carbon?

Im sure this stuff might kill bacteria too, but I dont plan on pouring it into my system. Just a light spray will be applied to plants where needed. The life of this acid water seems to be short lived and that's the whole advantage of using something like this. Its not going to circulate through the system.

Now, as to the drinking water that shocks you, I have no idea how how its made, though I suspect its alkaline water made with electrolysis. Here is a site: http://www.coherentwater.com I found this stuff at a conference where all the vendors hang out. They would get 10 people to hold hands then one of them would stick their finger into a bottle of this stuff and everyone jumped from the sock. Quite an idea for advertising; worked on me. I did purchase one of those $8 bottles of water just to feel it for my self.

Anyway... I will test it this week! I *think its no more difficult than drawing water out of an electrolysis cell. I am going to place a tight felt membrane(used for hydrogen separation) between the plates to aid in concentration of the "charged" water. I hope that makes it easier. May have to draw the water off both sides to prevent mixing between the sides. I am not going to use salt because that makes chlorine and chlorine compounds. I will just use higher voltage to establish current.


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PostPosted: Jun 1st, '09, 21:58 
DanDMan wrote:
BTW, what is the pH of H2O3?


AFAIK... there isn't any possible stable molecule or molecular compound that can bind 3 oxygen ions to 2 hyrodgen ions...

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The life of this acid water seems to be short lived and that's the whole advantage of using something like this.

The H+ ion is responsible for acidicy... the OH- ion for alkalinity.... normal water is "balanced" by the two ions... hence it is pH neutral....

There just isn't any possible ionic binding or free ionic balance from "H2O3"... that can lead to acidicy.. or alkalinity...

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Now, as to the drinking water that shocks you, I have no idea how how its made, though I suspect its alkaline water made with electrolysis. Here is a site: http://www.coherentwater.com I found this stuff at a conference where all the vendors hang out. They would get 10 people to hold hands then one of them would stick their finger into a bottle of this stuff and everyone jumped from the sock.


Did he still have the electrolysis machine powered on... :lol: .... wonder what sort of voltage and current....


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PostPosted: Jun 1st, '09, 23:35 
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RupertofOZ wrote:
Did he still have the electrolysis machine powered on... :lol: .... wonder what sort of voltage and current....


No machine on site. Just plastic bottles of charged water. Impossible or not, it does draw quite a spark.


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PostPosted: Jun 2nd, '09, 00:59 
So does shuffling shoes across carpet (especially in a air-conditiioned office), wearing certain fabrics etc...

Joining hands and joining the circle by each end (fingers) in a conductive substance... water... spark...

Need to get the Myth Busters on to this one I reckon...


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PostPosted: Jun 2nd, '09, 02:22 
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Go for it.

I am not sure I believe there is any health benefit to water that shock you, lol. Which BTW is not the same as this acid water stuff. I was just saying water can hold a charge.


As to the acid(2.2) water killing mildew, I will find out. I have to think a good wax coating from compost tea might be better than killing all bacteria on the plants, but in a bind I think it will do nicely.


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PostPosted: Jun 2nd, '09, 09:41 
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While I agree that H2O3 is a very unlikely molecule Rupe :) I do not discount that you could make 'water' unstable. As Dan has said it would be short lived. An excess of hydrogen ions at the anode side and an excess of hydroxide ions at the cathode.
Could it be electrically charged, possibly, you can generate electricity out of a redox reaction (remember this is unstable and trying to move to equilibrium).
Thats my two cents worth anyway.


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PostPosted: Jun 2nd, '09, 12:20 
Agreed Sleepe.... seperation of the ions and resulting current flow.... when under a charge (electrolysis) is accepted and known...

What I dispute and gravely doubt... is the claim that a bottle of water, even if it was at some stage electrolysised, would hold a charge for even enough time to bottle it...

Let alone stay charged once opened to the air... and remain charged...

Sorry... IMO... it defies all known electrical, chemical and physical laws.... :dontknow:


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PostPosted: Jun 2nd, '09, 13:02 
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If I understand the process Rupe (and BTW physics failed Chemistry failed, not good at maths :lol: ) what happens simplified is a membrane between the two electrodes allows a flow of ions one way but not back so you end up with a highly reducing liquid in one half and a highly oxidising liquid in another.

There is one type of battery that does not conform to what we regard as a normal battery and that is a flow battery. Perhaps that is what happens?

Dan's original quest was a substance that killed bacteria/fungus, a highly unstable oxidising liquid would certainly do that and dissapear (stabilise) quickly. Its effect upon the plants I think at the moment is the question mark and how quickly it "vanishes".


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PostPosted: Jun 2nd, '09, 13:34 
Yeah, fair enough... but switch the current off... and bottle it... and what stops the ions from just reforming plain old stable water???

Anyway... in terms of...

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Dan's original quest was a substance that killed bacteria/fungus, a highly unstable oxidising liquid would certainly do that and dissapear (stabilise) quickly. Its effect upon the plants I think at the moment is the question mark and how quickly it "vanishes".


Why not just use Hydrogen peroxide????


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PostPosted: Jun 2nd, '09, 20:37 
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Rupe will try dilute H2O2 if I get mildew think its a reduction reaction but have had a few drinks :drunken: .

The only reason I am curious about this is one of my family's friends bought one of these alkaline water machines (I reckoned it was a waste of money) it however does produce high ph water and low ph water from tapwater. I have so far been unable to convince them to let me have a look inside :) Must admit I have not checked the output for static potential.

Think it is an interesting experiment of Dan's, could be of use and at least it will be educational :)


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PostPosted: Jun 2nd, '09, 23:42 
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Peroxide cost $$ if you plant to spray a orchard and a garden. I'm not talking about one bottle off the shelf. Food grade peroxide is expensive unless you buy a 15 gallon drum. This method would be just about free! That is the point.

As to not believing water can hold a charge. I should have not even brought it up as its not really relevant to this topic. Its just a cool novelty. If you want to prove or disprove this once and for all then just buy a bottle, take the cap off and stick your finger in the top. Before you even touch the water you will see it pull up to meet your finger and give you a mildly painful shock; subject closed. Is it pure water? No idea.


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PostPosted: Jun 8th, '09, 20:52 
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While the jury is out on the results certainly, but the process of making acidic and alkaline water using electrolysis works. The process goes something like this:

Pass water between two electrically charged plates. Have a membrane between the two sides to prevent water from mixing between the sides, yet allow ion exchange and you have a water ionizer.

Using parts I mostly had laying around I constructed a device to test this theory. The plates are monel screen (a type of stainless). The membranes is some natural color tightly woven felt. The power supply is a variable transformer and diodes with cap to make the
voltage DC.

Here you can see the electrode
Attachment:
electrode2.jpg
electrode2.jpg [ 103.09 KiB | Viewed 1250 times ]


Here you can see how the inside is constructed. Rings were cut from the pipe and then cut to allow it to be pressed inside. This was used as spacers to hold down the electrode screen and to hold the felt 'membrane' in the center between the plates allowing room for the water to pass. 1/8'th inch pipe threads were drilled and taped; two on each side top and bottom; 4 in all. All tubing was cut to the same length to in an effort to keep water pressure between the sides equal and thus prevent water from trying to mix between the sides. To seal each end and pass the electrode out I just used test plugs that expand a rubber ring as you tighten down on the wing nut. This worked very well and allows for easy internal service if needed. Water is passed into the bottom and drawn out the top in an effort to remove oxygen and hydrogen bubble produced.
Attachment:
assemble.jpg
assemble.jpg [ 104.51 KiB | Viewed 1256 times ]


My pH meter is broken so I used the drip test kit and clearly alkaline and acidic water is produced that is off the color chart, but I don't know the value. Placing my hand in the alkaline water feels like lye water; makes my hand feel soapy. Its interesting that more acidic water is produced than alkaline water and that the acidic water is darker in color while the alkaline water is clear. Somewhere I read its produced 30% alkaline and 70% acid buy volume and certainly that appears to be true. Yet, I wounder how that works when I am passing equal amounts of water in. Acid water is produced by the + plate.

I sprayed the acid water on my mildew infected trees, now we wait to see if it works or not. I will be posting a video you youtube asap.


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PostPosted: Jun 8th, '09, 23:37 
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So what is happening in these devices?


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Many "water ionizer" devices depend on the addition of ordinary salt to make the water more conductive. Electrolysis of a dilute sodium chloride solution liberates hydrogen gas and hydroxide ions at the cathode, producing an alkaline solution that consists essentially of sodium hydroxide NaOH which can be drawn off as “alkaline water”. At the anode, chloride ions are oxidized to elemental chlorine. If some of this chlorine is allowed to combine with some of the hydroxide ions produced at the cathode, it disproportionates into hypochlorous acid HOCl, a weak acid and an oxidizing agent. Some ionizer devices allow the user to draw off this solution for use as a disinfecting agent. In many cases the two streams can be combined to form a mixture consisting of both HOCl and sodium hypochlorite (equivalent to diluted ordinary laundry bleach), depending on the pH desired.


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