Discussion
Apparently its real ...
www.reckitt.com/documentlib/normal/PressRelease_20026.pdf.
Its mentionned about two thirds of the way down ....
www.reckitt.com/documentlib/normal/PressRelease_20026.pdf.
Its mentionned about two thirds of the way down ....
stumartin said:Urban legend according to Snopes
It scares me the ease at which it removes the tarnish from that 2p piece. Just think want it'll do to your skin
No worse than Coke (a-cola). Apparently it'll dissolve a dead mouse overnight (don't ask how I know this)
My Dad's recently been working on designing a dairy in Denmark. He was going to use aluminium for the milk tanks, but later found out it was ill-advised. Why? Because milk can dissolve a big, thick aluminium tank in a matter of weeks. He had to use stainless steel.
Funny, really, you just don't think of milk being corrosive at all, do you, but it turns out it's an extremely powerful alkali that would actually have a detrimental effect on your skin if you left it there for ages.
Funny, really, you just don't think of milk being corrosive at all, do you, but it turns out it's an extremely powerful alkali that would actually have a detrimental effect on your skin if you left it there for ages.
v8thunder said:
My Dad's recently been working on designing a dairy in Denmark. He was going to use aluminium for the milk tanks, but later found out it was ill-advised. Why? Because milk can dissolve a big, thick aluminium tank in a matter of weeks. He had to use stainless steel.
Funny, really, you just don't think of milk being corrosive at all, do you, but it turns out it's an extremely powerful alkali that would actually have a detrimental effect on your skin if you left it there for ages.
it dissolves my weetabix no problem
Zod said:
No worse than Coke (a-cola). Apparently it'll dissolve a dead mouse overnight (don't ask how I know this)
Urban legend according to Snopes
Foiled! And all the subsequent googles say the same. Damn my weakness for gossip. Last time I post without research...
Sad I know, but.... Boring I know, but my company manufactures pH meters -
so here's a more detailed reply on the pH value of milk:-
The pH scale is from 0 to 14 (we don't normally get negative pH values). 7pH is neutral ie: neither acid or alkaline.
anything between 0pH and 7pHis acidic, anything from 7pH to 14pH is alkaline.
To give an idea of 'household' items and their respective pH values:-
Battery Acid - 0pH
Vinegar - 2.8 to 3pH
Orange Juice - 4.2pH
Milk - 6.8pH (can be 6.7pH)
Pure Water - 7pH
Blood - 7.4pH
Sea Water - 8pH
Bleach - 12.4pH
Lime (not the fruit!) - 13.5pH
Common belief that milk is alkaline and that drinking it helps neutralise acid build up in your stomach - but if it helps, it ain't the pH value of the milk!
so here's a more detailed reply on the pH value of milk:-
The pH scale is from 0 to 14 (we don't normally get negative pH values). 7pH is neutral ie: neither acid or alkaline.
anything between 0pH and 7pHis acidic, anything from 7pH to 14pH is alkaline.
To give an idea of 'household' items and their respective pH values:-
Battery Acid - 0pH
Vinegar - 2.8 to 3pH
Orange Juice - 4.2pH
Milk - 6.8pH (can be 6.7pH)
Pure Water - 7pH
Blood - 7.4pH
Sea Water - 8pH
Bleach - 12.4pH
Lime (not the fruit!) - 13.5pH
Common belief that milk is alkaline and that drinking it helps neutralise acid build up in your stomach - but if it helps, it ain't the pH value of the milk!
igg said:Maybe it stems from Milk of Magnesia being good for your stomach.
Common belief that milk is alkaline and that drinking it helps neutralise acid build up in your stomach - but if it helps, it ain't the pH value of the milk!
"Milk, Milk of Magnesia, it's the same thing, innit?"
igg said:
Common belief that milk is alkaline and that drinking it helps neutralise acid build up in your stomach - but if it helps, it ain't the pH value of the milk!
The protein in milk gives your stomach some thing else to chew up rather than your insides. I do like a nice glass of milk.
As for milk dissolving aluminium, there is no chance the pH of milk will affect the structural Integrity of the tanker. Not in our life time at pH 6.7 to neutral anyway. Nor is there any chance the pH of milk will do damage to our skin. Milk does contain enzymes such as lactase that will act upon skin over long periods of contact.
I suspect that ali milk tankers are not used because of the caustic cleaning products used in the sterilisation process. Caustic agents will react readily with aluminium as I found to my horror when Mrs Z decided to boil bleach some clothes in my nice ali pressure cooker. As a fellow chemist she should have know better.
Z
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