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Can I use expired rubbing alcohol to clean old TIM? - Page 2

post #11 of 20
Should I use isopropyl, ethanol, or methanol to clean the TIM? I work in a lab, so I have access to all of them. Also, what dilution should I use?
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post #12 of 20
Don't dilute them at all.
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post #13 of 20
Oh no, what happened to poor old Tim?
    
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post #14 of 20
Quote:
Originally Posted by tryceo View Post
Should I use isopropyl, ethanol, or methanol to clean the TIM? I work in a lab, so I have access to all of them. Also, what dilution should I use?
Ethanol and high % isopropyl are good solvents.

Methanol is a strong solvent, but it is also very poisonous.

Funny fact, Methanol poisoning can be averted by drinking Ethanol (liquor).
Edited by _02 - 8/1/11 at 1:33pm
    
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post #15 of 20
Quote:
Originally Posted by Secretninja View Post
Should be fine, just don't use it for any medical application.
It's probably fine for medical use too. Just like how expired Tylenol and Advil is totally safe to take.
post #16 of 20
Expiration dates are usually for solutions destined for research (not necessarily medical) purposes. Over time, the ethanol percentage decreases and becomes more parts water than labeled. The change though is usually very minute and while it can affect research experimental results, is too minute for you to see any difference.

Tl;dr: It's fine. Use it. Use the money you save on a cupcake. Everyone likes cupcakes


Quote:
Originally Posted by Tennobanzai View Post
It's probably fine for medical use too. Just like how expired Tylenol and Advil is totally safe to take.
Safe but not necessarily as effective. Expiration dates exist because acetaminophen decomposes the minute it is synthesized. The decomposition rate varies based on factors (Temp, humidity, pH, etc), but over a given amount of time enough acetaminophen will have decomposed that the medicine won't be as effective.
Edited by r31ncarnat3d - 8/1/11 at 2:28pm
post #17 of 20
RUBBING , OR ISOPROPYL ALCOHOL DENATURES INTO ACETONE, WHICH IS NAIL POLISH REMOVER! IT WILL MELT PLASTIC AND BURN SKIN.
post #18 of 20
ISOPROPYL ALCOHOL DEGRADES TO ACETONE. WHICH IS NAIL POLISH REMOVER, WHICH WILL BURN SKIN AND MELT SOME PLASTICS.
post #19 of 20
Quote:
Originally Posted by MISSCUS RN View Post

RUBBING , OR ISOPROPYL ALCOHOL DENATURES INTO ACETONE, WHICH IS NAIL POLISH REMOVER! IT WILL MELT PLASTIC AND BURN SKIN.

Nail polish remover doesn't burn skin, well maybe if you let it sit on you for awhile, and it comes in plastic bottles. I always use nail polish remover to remove tim, works fast, great, evaporates damn quick too
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post #20 of 20
Quote:
Originally Posted by MISSCUS RN View Post

ISOPROPYL ALCOHOL DEGRADES TO ACETONE. WHICH IS NAIL POLISH REMOVER, WHICH WILL BURN SKIN AND MELT SOME PLASTICS.

STOP resurrecting old threads!
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