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kettlemeths prob ... ?

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cvntdude This post is not being displayed because the poster has bad karma. Unhide this post / all posts.
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Darth
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PostPosted: 21:56 - 16 Dec 2009    Post subject: Reply with quote
Bin it. Its hideous anyway Thumbs Up
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GhostRider
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PostPosted: 00:50 - 17 Dec 2009    Post subject: Reply with quote
I probably wouldn't try using it, if you o
blind you'll know there was some residue remaining.

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stinkwheel
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PostPosted: 01:44 - 17 Dec 2009    Post subject: Reply with quote
Fill it with a pint of cheap vinegar (around 45p for tesco value stuff) and boil it a few times. Then rinse it out and boil it with a couple of fills of clean water. It'll be like brand new.

I do this with the girlfriends kettle about once a month to descale it.
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Shreddie
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PostPosted: 02:42 - 17 Dec 2009    Post subject: Reply with quote
stinkwheel wrote:
Fill it with a pint of cheap vinegar (around 45p for tesco value stuff) and boil it a few times. Then rinse it out and boil it with a couple of fills of clean water. It'll be like brand new.

Unlikely to work, meths is very small as a compound so can seep into plastic and slowly leech out over time. Even if you've cleaned it as best you can it's probably not worth the risk of poisoning.

Get a new kettle.
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Hex
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PostPosted: 12:07 - 17 Dec 2009    Post subject: Reply with quote
Why did you mate do this anyway?
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stinkwheel
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PostPosted: 13:11 - 17 Dec 2009    Post subject: Reply with quote
Shreddie wrote:

Unlikely to work, meths is very small as a compound so can seep into plastic and slowly leech out over time. Even if you've cleaned it as best you can it's probably not worth the risk of poisoning.
Get a new kettle.


Don't know where you learned chemistry.

Meths is a mostly ethanol with a small quantity of methanol. They usually add a blue dye and bittrex.

The methanol is the poisonous bit. It has a boiling point of 64.7C. The ethanol has a boiling point of 78.3C. So the first time you bring the kettle to the boil with water in (100C), both of those componants will have totally evaporated.

I'm not sure if the dye is poisonous or not but you would see it if it was there as a blue colour.

The bitrex is not poisonous, I 100% garauntee you'd taste it if it was still there.

Both methanol and ethanol are highly hydrophyllic, they will form hydrogen bonds with water in preference to staying as a seperate liquid (or binding to plastic). In fact, Ethanol over 70% will absorb water from the atmosphere.

Quote:

It was white spirit .. which i assume is the same or similiar to meths


White spirit is a light mineral oil which has virtually nothing in common with meths other than being a flammable liquid. I would have used hot soapy water to clean the kettle out with.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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Shreddie
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PostPosted: 14:37 - 17 Dec 2009    Post subject: Reply with quote
stinkwheel wrote:
Shreddie wrote:

Unlikely to work, meths is very small as a compound so can seep into plastic and slowly leech out over time. Even if you've cleaned it as best you can it's probably not worth the risk of poisoning.
Get a new kettle.


Don't know where you learned chemistry.

RAPRA, a.k.a the rubber and plastics research agency! Though to be fair, I'm an electromechanical/electronics engineer by trade (or at least I used to be) and worked on manufacturing prototypes when I was there, I'm not a petrochemical engineer!

However, I know for a fact that some, but not all (I should have made that clear) plastics can be affected by ethanol or methanol as it's sometimes used as a treatment. I can't remember which one it is (maybe acrylic) but that can be given a shattered appearance by treating it with methanol. Others may become 'plasticised' (more floppy), those are the ones you have to watch due to the amount they absorb. Most plastics though will be unaffected. If some has been absorbed by a plastic, as it's effectively trapped within, raising its temperature above the boiling point may not get rid of all of it... But as it's not chemically bonded to the plastic, it does have a tendency to leech out over time.

As it's white spirit though, just clean it until it doesn't stink anymore... Or get a new kettle!
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stinkwheel
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PostPosted: 15:08 - 17 Dec 2009    Post subject: Reply with quote
cvntdude wrote:

So Stink .. if i buy some white vinager and boil that in my old metal kettle, and rinse .. thats the ticket ... ? as there is lots of scaly crap in it ...


Yep. Any old vinegar will loosen the limescale. Boil it with the vinegar in, leave it to sit for a bit (obviously, you get a strong smell of vinegar) then rinse out thoroughly. Shiny clean.

You can also buy kettle descaler stuff but it's a lot more expensive than cheap vinegar.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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GhostRider
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PostPosted: 18:19 - 17 Dec 2009    Post subject: Reply with quote
stinkwheel wrote:
cvntdude wrote:

So Stink .. if i buy some white vinager and boil that in my old metal kettle, and rinse .. thats the ticket ... ? as there is lots of scaly crap in it ...


Yep. Any old vinegar will loosen the limescale. Boil it with the vinegar in, leave it to sit for a bit (obviously, you get a strong smell of vinegar) then rinse out thoroughly. Shiny clean.

You can also buy kettle descaler stuff but it's a lot more expensive than cheap vinegar.


We get loads of limescale in our kettle at work because we use water from teh water cooler since the tap water is not suitable for drinking. Every couple of weeks it gets treated with 12M sulphuric acid for half hour, which is overkill if you ask me, but he rinses it out well after an this has been going on for well over a year and my oesphagus has not dissolved yet......cleans the kettle a treat though!

GhostRider
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I have all the characteristics of a human being: blood, flesh, skin, hair; but not a single, clear, identifiable emotion, except for greed and disgust. Something horrible is happening inside of me and I don't know why. My nightly bloodlust has overflown into my days. I feel lethal, on the verge of frenzy. I think my mask of sanity is about to slip.
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