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Author Topic: Urine shelf life - stability of piss - storage temperature  (Read 4590 times)

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Offline Moo R.H.S.

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Urine shelf life - stability of piss - storage temperature
« on: February 22, 2010, 07:22:50 am »
Hey fell as.

Did not see in the search a related thread, surprisingly.

So I wonder, if some clean wizz is stored at room temp. will it be okay to use for testing?  For how long?  Better ways?

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Offline Papyrifera

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #1 on: February 22, 2010, 08:35:57 am »
I know urine will start to decompose and reek like ammonia within a day. Maybe it would keep better in the fridge, or even frozen? Have no experience with urinalysis so this is just speculation on my part.
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Offline farmer jack jeebs

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #2 on: February 22, 2010, 09:07:39 am »
What about freezing it?

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Offline jc

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #3 on: February 22, 2010, 10:04:34 am »
I don't know for sure, but I wouldn't keep more than a day at room temp.  I'd think refridgeration should work for longer as long as you shake it to redistribute whatever may have settled out.
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Offline Mens Rea

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #4 on: February 22, 2010, 10:23:53 am »
Do not freeze it. Store it in the fridge and it will hold for months at a time. It will stink like shit past a few days, but it's still usable in urinalysis exams. You can even microwave your urine for about 30 seconds beforehand, it doesn't kill any active metabolites that might be in there, but you will need to get it the right temperature for it to be presentable.
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Offline jc

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #5 on: February 22, 2010, 12:34:12 pm »
I think you could probably evaporate the urine down to a powder, then rehydrate as needed;)
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Offline DrYRHead

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #6 on: February 22, 2010, 01:35:47 pm »
Freezing would be the best way to go, and then just thaw as needed.
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Offline Grimnor

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #7 on: February 22, 2010, 02:05:58 pm »
I get pissed tested once or twice a week randomly for work, so I just dont mess with it...

However, I know some of the loons I work with always keep fake urine in their car, as we get about an hour notice before we have to pee, and no one watches us pee.
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Offline DPP

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #8 on: February 22, 2010, 04:56:33 pm »
I had a friend who was screwed and only had urine that was 2 days old to give his PO.  It smelled horrible (he almost threw up putting it in the cup) but it seems horrid smelling urine doesn't raise too many red flags.

He passed with the urine, so with the 5 or 7 strip test you are likely fine with old urine.  If they are doing a GCMS test (sending it to the lab if something is fishy), I'd probably make sure it was fresh but without IX here to correct me I guess we'll never know if it's necessary.  Maybe old pee works fine for GCMS, though you would -think- they could detect and test for decomposition, if it's a suspicion.
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Offline Tech

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #9 on: February 22, 2010, 06:44:37 pm »
I don't understand why you would even think about doing this considering how inexpensive and easy to get synthetic urine is to get nowadays, they even come with a warmer and thermometer on the bottle... :-*
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Offline DrYRHead

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #10 on: February 24, 2010, 03:37:09 pm »
I don't understand why you would even think about doing this considering how inexpensive and easy to get synthetic urine is to get nowadays, they even come with a warmer and thermometer on the bottle... :-*

Just make sure that the boss doesn't get it confused with his/her hot tea.  :roll:
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Offline Moo R.H.S.

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #11 on: February 26, 2010, 08:22:53 am »
Thanks for responses.  :-)

Mens Rea, you said not to freeze -- what have you heard about the reason for this?  

Perhaps freeze vs. refridgeration is not a large issue?

Was thinking freeze would be best......

BTW, bringing urine to proper temp. is not an issue with hand/toe warmers taped around the whizz..... :wink:

I don't understand why you would even think about doing this considering how inexpensive and easy to get synthetic urine is to get nowadays, they even come with a warmer and thermometer on the bottle... :-*

Never did try the fake stuff yet -- does it last well at room temp?  
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Offline Mens Rea

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #12 on: March 02, 2010, 06:23:41 pm »
Thanks for responses.  :-)

Mens Rea, you said not to freeze -- what have you heard about the reason for this?  

Perhaps freeze vs. refridgeration is not a large issue?

I could have sworn one of the admins on Bluelight said that freezing may cause a disruption in some of the things that are tested in the urine... though if DrYHead says it's okay, it must be. Don't mind me, I'm sure if it's a standard probation exam and not a comprehensive urinalysis, it should be fine. :-)
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Offline cloud9

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #13 on: March 02, 2010, 08:54:25 pm »
I know someone who uses synthetic regularly.  The shelf life is 2 years
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Offline Organic

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #14 on: March 02, 2010, 11:10:22 pm »
Refrigerated, human urine becomes progressively more palatable, much like wine. In that regard, it has an indefinite shelf-life. How unfortunate that that is not your case.
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Offline cloud9

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #15 on: March 03, 2010, 03:44:34 pm »
Wait...what?!?
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Offline Mens Rea

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #16 on: March 03, 2010, 07:18:35 pm »
SOMEBODY's been participating in golden showers...  :roll: :haha:
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Offline Organic

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #17 on: March 03, 2010, 07:30:52 pm »
I take baths.
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Offline Mens Rea

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #18 on: June 28, 2010, 06:57:57 pm »
OOOOOOOOOOOOOEEEEEEEEEEEEEEEEEEEEEEEWWWWWWWWWWWWWWWWWWWWW SIIIIIIIIIIIIIIIIIIIICKKKK!!!!

I decided to go and throw away the urine I had been storing in my fridge for god knows how many months (possibly even over 6-9 months), and there were PARTICLES growing in it!!!!!!



Oh my fucking god, I was about to DIE seeing that shit!!!  :?

So.... can anybody answer??? What the hell is that?!?!!? Is that fungus or something?!??!!? They look like miniature grapes.
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Offline Dr. Toxicophilous

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #19 on: June 28, 2010, 07:06:54 pm »
I don't know but it maybe complexes of salts, proteins & carbohydrates.

My piss often has, aside from the requisite salts settling out at room temp, some eventual red, needle like shards that start to form. Like little red slivers.
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Offline foreward

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #20 on: June 28, 2010, 07:10:53 pm »
Only, you, crystal would post a pic of your piss on the internet :D
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Offline Dr. Toxicophilous

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #21 on: June 28, 2010, 07:12:37 pm »
/Envisions a piss alchemy thread.
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Offline foreward

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #22 on: June 28, 2010, 07:49:02 pm »
muscimol isolation, anyone?
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Offline Moo R.H.S.

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Re: Urine shelf life - stability of piss - storage temperature
« Reply #23 on: June 29, 2010, 04:36:12 pm »
After evaporation of urine a small amount of tan crystal was left behind......
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