Benzotriazole in LC Systems

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boiler1990

boiler1990

Splendid
Dec 21, 2009
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Hey guys,

I just got off the phone with my grandfather (a chemist) and he was saying to look into Benzotriazole, a corrosion-inhibitor that works amazingly well protecting copper from galvanic corrosion. He was saying as a student I should be able to get it (seems a bit farfetched to me), but he's also still able to get it.

Has anybody ever heard of using it in a LC system? It's used in industrial cooling systems because they're primarily copper piping, but I'm wondering if it works ok with nickel (or will remain relatively inert towards it) and if its worth adding to a hobbyist system.

Just hoping to spark some discussion!
 
It's worth a shot, I suppose. If it is expensive, that would be main reason it isn't commonly used in a LC loop. I guess it's worth a try...I haven't researched it at all, but is it safe for acrylic and vinyl/silicone?
 
^That's what I was wondering. He's not familiar with the other materials/components of computer LC systems, so I'm going to ask him more about it via email and see what he says. I'm also wondering if it will have ramifications when used with either silver killcoils or additives like PT Nuke.

He said it's pretty cheap (don't know what kind of price magnitude we're talking though), but you just have to be able to get it somewhere - the tough part.

I just thought it was interesting that it works so well in industrial systems that none of the hardcore watercoolers I've seen has tried it yet.
 
There are reasons best practices exist for watercooling, but if something better is available for decent cost and performance, it shouldn't be assumed to be snake oil...scientific analysis and benchmarking should be done.
 
You say scientific analysis, I call it mucking around and taking notes 😛
but as I pointed out earlier,
one of the things that wiki suggested was that it's used in dishwasher detergents as a silver-care additive so I reckoned it was good news for your killcoil/s
in seriousness though rubix, if I could get hold of some I would be doing a few tests with solutions of varying strength
Moto
 
I think it's worth a shot. I tried to get that guy to let me test out his nano-particle fluid about a year or so ago...it was finally tested by Skinnee (I think) and actually didn't do so well...
 


I wasn't really concerned about corrosion; I'm sticking with DW and PT Nuke and just draining my system every 6 months as generally recommended. He just happened to bring it up and I figured it would at least be a conversation starter here in the WC section, and if it does work in LC systems it may reduce the need for loop draining because the layer benzotriazole form with copper essentially seals it.


Supposedly you can get it on eBay? The seller is away at the moment, but there's still hope.
I guess you really can buy anything on eBay...

http://cgi.ebay.com/Benzotriazole-100-Grams-/7616116436
 
^Which section did you find that? According to the benzotriazole wiki, it's 20g/L soluble, but no system would need a very high concentration in the fluid.

I've found a couple of sites that refer to it in the context of film/photo developing (like the eBay link). Maybe that's an easier way to get ahold of it and/or more information?

I'm doing my best to continue researching, but this government network connection is so SLOW and I have nothing to do at work today (boss told me "go futz around").

 


I think you overreacting a bit here ..nickel plated blocks won't corrode (not before you next upgrade any way and as long you won't create battery in your coolant ) IF they are plated properly period
stay away from EK nickel plated blocks and you have nothing to worry about , distilled+kill coil or PT Nuke (2 drops) is all you need ,it has been the best bet for long time and if some Mnf. trying to tell you other wise they are full of it
 


Interesting. It lists everything else I've found about benzotriazole (1,2,3-benzotriazole, etc.) and yet it differs in regards to the solubility. Maybe they mean it's essentially not water soluble (since it is very low) and better soluble in ethanol?

I did find the Cobratec-99 page before you linked that though, but it doesn't seem to give any more useful information: http://www.metalprotection.com/benzotriazole.htm
 
I think in its natural state its a viscous oily like material,
so not to good for pumping easily round your loop,
if its soluble to a more liquid state thats cool, but then if you can only dissolve it in ethanol (Alcohol) I'm none to sure about putting it in there tbh 😛
Moto
 
That's true. I can't seem to find any scientific papers on it, since it's pretty much an industry-driven product.

I happened to be reading this, but it doesn't deal with our compound of interest.
http://www.overclockers.com/pc-water-coolant-chemistry-part-ii/

/wishful thinking
If only I could get funding for this, then I could go to grad school for this, research the effects of these types of products on cooling systems, and develop a balanced coolant...a lot of work for a "hobby" 😉
 
hello there I just thought that you would like to know that I already tried this stuff with my system about a year ago, and it started to foam up in my system as it passed through the pump causing all sorts of little issues.
 
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