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Invisibleadrian_dl
Stranger
Registered: 06/09/09
Posts: 13
100% isopropyl
    #10590933 - 06/29/09 05:17 AM (15 years, 6 months ago)

Hey

I got a bottle of isopropyl that boasts that its 100%

Can i dilute this with distilled/spring water to make it weaker???

Thanks.

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OfflineMik
Desert Fox


Registered: 12/16/08
Posts: 181
Last seen: 9 years, 1 month
Re: 100% isopropyl [Re: adrian_dl]
    #10590951 - 06/29/09 05:34 AM (15 years, 6 months ago)

Wow. I didn't think that existed.

I don't see why you couldn't add water to it though. Maybe delude it down to 90ish% I've always used 70% with great success.

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OfflineSillyBilly
Professional


Registered: 03/05/09
Posts: 3,634
Loc: Californi-eh
Last seen: 9 years, 29 days
Re: 100% isopropyl [Re: Mik]
    #10590965 - 06/29/09 05:40 AM (15 years, 6 months ago)

dont waste isopropyl of that kind on whatever you plan on cleaning
use it for some kind of extraction


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    You're a better man than I am, Gunga Din

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Invisibleadrian_dl
Stranger
Registered: 06/09/09
Posts: 13
Re: 100% isopropyl [Re: SillyBilly]
    #10590970 - 06/29/09 05:47 AM (15 years, 6 months ago)

This was the only brand i could find and im a beginner starting with the PF Tek.

Just about to make a syringe in a glove box so will the 100% be o.k to wipe shot glass??

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Offlinephaseflux
Stranger than most


Registered: 07/16/08
Posts: 702
Last seen: 11 years, 3 months
Re: 100% isopropyl [Re: adrian_dl]
    #10591376 - 06/29/09 08:40 AM (15 years, 6 months ago)

Quote:

adrian_dl said:
This was the only brand i could find and im a beginner starting with the PF Tek.

Just about to make a syringe in a glove box so will the 100% be o.k to wipe shot glass??




You could ONLY find 100%? That's a bit odd. Any pharmacy should carry the 70% variety. Anyways you want alcohol with more water content to allow it to be absorbed into bacteria etc more easily.

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InvisibleFractalXplora
Grainiack
Male


Folding@home Statistics
Registered: 02/11/06
Posts: 2,494
Loc: UK Flag
Trusted Cultivator
Re: 100% isopropyl [Re: phaseflux]
    #10591399 - 06/29/09 08:47 AM (15 years, 6 months ago)

i just got 99% percent too, so its better and more effect to water down a little bit?


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Offlinetajmahal420
Stranger than some....

Registered: 05/23/09
Posts: 533
Last seen: 2 years, 4 months
Re: 100% isopropyl [Re: FractalXplora]
    #10591459 - 06/29/09 09:21 AM (15 years, 6 months ago)

The higher the percentage, the faster it evaporates.  Slower evap. = sustained  disinfection.

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Invisibleantimatt3r
umumz
Female

Registered: 07/13/06
Posts: 538
Loc: the earf
Re: 100% isopropyl [Re: tajmahal420]
    #10591529 - 06/29/09 09:43 AM (15 years, 6 months ago)

I always use 90


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Everything and anything said by this person or thru this account is completely fictional and/or hypothetical fantasy and should not be taken seriously and do not reflect the views or actions of the account holder.

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OfflineRogerRabbitM
Bans for Pleasure
Male User Gallery


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 1 year, 10 months
Trusted Cultivator
OG Cultivator
Re: 100% isopropyl [Re: tajmahal420]
    #10591793 - 06/29/09 11:06 AM (15 years, 6 months ago)

Quote:

tajmahal420 said:
The higher the percentage, the faster it evaporates.  Slower evap. = sustained  disinfection.




The effectiveness of alcohol has NOTHING to do with slower evaporation.

Dilute your alcohol down to 50% to 70% for best results.  The reason is that cell walls will block out chemicals but allow water to pass.  By adding water to the alcohol you 'trick' the cell walls into opening up and allowing the mixture to pass, and then the alcohol contained therein kills the cell.
RR


--------------------
Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison

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Offlinetajmahal420
Stranger than some....

Registered: 05/23/09
Posts: 533
Last seen: 2 years, 4 months
Re: 100% isopropyl [Re: RogerRabbit]
    #10592394 - 06/29/09 01:19 PM (15 years, 6 months ago)

I stand corrected.  I was thinking that the longer the alcohol "hangs around", the longer it would be effective.  But, I digress.

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InvisibleFractalXplora
Grainiack
Male


Folding@home Statistics
Registered: 02/11/06
Posts: 2,494
Loc: UK Flag
Trusted Cultivator
Re: 100% isopropyl [Re: tajmahal420]
    #10592656 - 06/29/09 02:12 PM (15 years, 6 months ago)

Quote:

Dilute your alcohol down to 50% to 70% for best results.  The reason is that cell walls will block out chemicals but allow water to pass.  By adding water to the alcohol you 'trick' the cell walls into opening up and allowing the mixture to pass, and then the alcohol contained therein kills the cell.
RR




excellent, thanks Roger, thats what i need to know.

Make it spin out a lot longer too.

:thumbup:


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InvisibleShroominit
Part Time Mycologist


Folding@home Statistics
Registered: 11/29/08
Posts: 4,662
Re: 100% isopropyl [Re: FractalXplora]
    #10593035 - 06/29/09 03:40 PM (15 years, 6 months ago)

So where did you guys find 100(99)% iso? It seems like I have to distill my alcohol to get those concentrations.

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InvisibleFractalXplora
Grainiack
Male


Folding@home Statistics
Registered: 02/11/06
Posts: 2,494
Loc: UK Flag
Trusted Cultivator
Re: 100% isopropyl [Re: Shroominit]
    #10593049 - 06/29/09 03:42 PM (15 years, 6 months ago)

ebay has it in abundance here in the uK dunno about the states.


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InvisibleShroominit
Part Time Mycologist


Folding@home Statistics
Registered: 11/29/08
Posts: 4,662
Re: 100% isopropyl [Re: FractalXplora]
    #10595237 - 06/29/09 11:18 PM (15 years, 6 months ago)

Hmm the bay does here as well, just much more expensive than 91%, nearly 3-4x as much money to go from 91% to 99%, I might as well distill a ton of it and call it a day.

Thanks.

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