Transcript at the bottom of link. Covers many interesting topics.
I really recommend subscribing to Ari Whitten and energy blueprint as he covers many fringe science topics with a sceptical mind and I find him very rational.
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LAJ12345
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Deuterium-depleted water (DDW) boils and freezes at slightly higher temperatures than regular water. In theory, you could use this feature to make DDW with partial distillation or freezing: water with deuterium would evaporate slower or freeze faster [1].
Given that 1 liter of tap water contains only a few drops with deuterium, it’s practically impossible to separate it and make DDW on a small scale.
Take-Away
Deuterium concentration in natural water is about 150 ppm (parts per million), which equals a few drops per liter. Deuterium-depleted water, also known as light water, contains less deuterium (1-120 ppm).
A couple of clinical trials have shown the anticancer potential of DDW, but they all had serious design flaws. There’s insufficient evidence for liver protection, cognitive and mood support, heart disease, and detox. In Hungary, veterinarians use it as a complementary cancer treatment for pets.
There’s no clinical evidence to support any of the potential uses and marketing claims about DDW.”
This doesn’t make sense to me as if there is only a drop of deuterium water in a litre surely once it freezes at the higher temperature it would leave all the remaining unfrozen water as deuterium depleted??
Unfortunately there is no easy simple way to make deuterium depleted water. The molecules of deuterium water are not going to seek each other out and form a neat little bit of ice at just the right temperature. Separating out deuterium water has been a matter of national interest for at least 75 years. Chances are if there were an easy way to do it someone would have noticed by now. So the debate over efficacy is academic unless unless one wants to fork over big bucks to buy the stuff.
That makes sense. Is it easier to make the depleted water than isolate the deuterium though? To isolate deuterium it needs to be pure, but you don’t need to make the deuterium pure. if you can half the amount in some water and repeat a few times throwing the rest away with some of the deuterium each time is that possible?
Separating out deuterium enriched from deuterium depleted water are two sides of the same coin. As you have set forth, the process of enriching / depleting goes through several cascading steps. For more information see here: en.wikipedia.org/wiki/Girdl...
Yes but again this is producing heavy water so not exactly the same as removing the heavy water from the rest in the same way getting pure salt out of salty water is different than getting salt free water out of the solution isn’t it? Ie freeze and just before frozen through tip out remaining liquid, melt and repeat. Doesn’t matter if lots of the lighter water is wasted as it is the major part of the solution. Whereas if you were trying to purify the D2O like this method that would be a whole lot harder I would think wouldn’t it?
But I’m not sure if I am actually right so I defer to your superior knowledge.
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