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  #11  
Old 27th February 2020, 10:34 AM
HPsauce HPsauce is offline
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It could be a really cheap product, sold at a premium price...………….. https://www.christinedemerchant.com/...t-removal.html
(Molasses contain chelating agents - cyclic hydroxamic acids )
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Last edited by HPsauce; 27th February 2020 at 10:37 AM.
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  #12  
Old 27th February 2020, 10:55 AM
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moltuae moltuae is offline
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Quote:
Originally Posted by David's8 View Post
I think the "magic" explanation is better Mark

I think the explanation lies with it being described as a "Chelator". Chelation is a type of bonding of ions and molecules to metal ions. It involves the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central atom. These ligands are called chelants, chelators, chelating agents, or sequestering agents. They are usually organic compounds.
Chelation is useful in applications such as providing nutritional supplements, in chelation therapy to remove toxic metals from the body, as contrast agents in MRI scanning, in manufacturing using homogeneous catalysts, in chemical water treatment to assist in the removal of metals, and in fertilizers. (Wikipedia explanation ....... not mine!!)
I should've paid more attention in Chemistry lessons (instead of making my own experiments and setting fire to stuff with the Bunsen burners).

I wasn't aware of this 'Chelation' you speak of. Interesting stuff; I need to do some reading. In the meantime, I think you're right, "magic" will do. Or maybe 'witchcraft'. To paraphrase Python, 'if it looks like witchcraft, it must be witchcraft!'
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  #13  
Old 27th February 2020, 11:38 AM
MikkiJayne MikkiJayne is offline
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Any sufficiently advanced technology is indistinguishable from magic

Also:

Rust remover showdown

and

Molasses vs Evapo-rust
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  #14  
Old 27th February 2020, 01:35 PM
MikkiJayne MikkiJayne is offline
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Frost do their own-brand version of this which is about the same price for 5L, but gets cheaper per litre for 25.

I hadn't thought of using it in cooling systems...



Good idea though. Obviously of little use to those with V8s, but relevant for V6s.
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  #15  
Old 27th February 2020, 01:44 PM
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moltuae moltuae is offline
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Interesting application. Don't modern cooling systems contain rust inhibitors though? And, if there is a little rust inside the cooling system, wouldn't it be safer to leave it be, attached to the rusty part rather than flowing around the system? Or do these products safely 'consume' the rust rather than simply detach it?
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  #16  
Old 27th February 2020, 02:02 PM
MikkiJayne MikkiJayne is offline
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I wouldn't put it in a clean healthy engine no, just change the coolant regularly and that'll keep it clean.

I have, in my time, come across a number of engines which hadn't had new coolant for a long time, or had been topped up with plain water because of leaks, and were filled with rusty brown goop. In those cases, they would benefit from this stuff after a coolant flush to clean out the rest of the crud ready to accept fresh coolant. There is some sediment left in the bottom of the tank, but most of it seems to be held in the solution so should flush out without any issues.
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  #17  
Old 27th February 2020, 03:16 PM
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David's8 David's8 is offline
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I now remember where I have seen chelating substances used before and that's in ship main steam systems whether it was there as an inhibitor or for periodic clean I can't recall. The wiki entry refers to this use too.
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  #18  
Old 27th February 2020, 05:11 PM
vagdream vagdream is offline
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I've always found white vinegar to be quite effective and cheap.
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