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Q: Do you keep a 24 hour urine specimen on ice?
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Can you keep clean urine in refrigerator and how long?

urine specimens should generally be processed as soon as the collection is complete. Some urine specimens ,such as urine for VMA, Cortisol, and other metabolites are collected over a 72-hour period and these specimens must be refrigerated or kept on ice during the collection process, including while the specimen is awaiting delivery to the lab. Essentially all other urine specimens are very time-sensitive, and allowing them to languish in the refrigerator instead of getting them to the lab can yield inaccurate results. The longer a specimen sits, the more chemical changes will naturally occur in the urine, and the less accurate a given test will be. This is why we usually ask you to peeatthe doctor's office instead of just sending you home with a plastic cup.


How long can you keep Italian ice in a freezer withoutpower?

not more than 10 hour


What are good materials to keep an ice cube cold for one hour?

Maybe a freezer? OH! How about a fridge!


What melts first ice cube or ice cream?

Think about setting each of them out on the kitchen counter for an hour. After an hour, will the ice cube be melted or the marshmallow?


What is a hypothesis for what is the best way to keep an ice cube from melting?

One way to keep an ice cube from melting away is if you keep it in ice water.


How long will dry ice last in a punch bowl?

Dry ice will last in a punch bowl, depending on its size. While dry ice will not keep for extended periods of time, it generally will last for your 6 hour party if stored in an insulated container prior to use.


What can you buy to take the temp of urine?

a tonge or maybe ice-cream


How long does the volume of ice stay in your urine how long is it detectable for?

3days


When figure skaters fall do they have to keep skating or can they leave the ice?

they have to keep skating. Then after they can put ice on


What has a ten hour lifespan?

ice cube


How much ice does a manitowoc ice machines produce?

Ice machines typically produce about 70 killograms of per hour.


How do you prevent ice from melting?

Simple. You keep ice in dry ice. But be careful not to eat dry ice!