What happens to urine when it dries?

When urine is first deposited onto a floor or fabric, it has a pH of about 5 or 6, which is on the acid side of the pH Scale. It is easier to remove right then when it is fresh. Once it dries it turns “alkaline” or to a high pH between 10 to12 on the scale and becomes more difficult to remove.
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Is urine sterile when dry?

Although the results may be unpleasant and disturbing, Callahan said they are not dangerous. "It's not harmful because those are dried and sterile," he said, "They're not going to have viruses or bacteria growing in them."
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How long does urine gone take to dry?

Allow to dry 1 to 2 hours. (In humid climates lacking heat/AC, drying may take longer.)
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Does urine smell when dried?

Urine can smell strongly when it is not fresh (e.g. the person passed the urine a while ago). This can be because the urine has dried on the person's skin, clothes or somewhere they live (e.g. carpet or chair).
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How fast does pee evaporate?

The average evaporation rate over the study period was 3.2 L/day (0.66 mm) with monthly amounts of 117 L (24.3 mm) for August and 76 L (15.8 mm) for September.
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What Happens If You Hold Your Pee In For Too Long



Does human urine evaporate?

Fresh urine is collected from urinals or specially designed toilets and channelled into a dryer, where an alkalising agent, such as calcium or magnesium hydroxide, raises its pH. Any water in the now alkaline urine is evaporated and only the nutrients are left behind.
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How long can urine stay fresh?

If you don't plan to use your urine sample within 24 hours, it's best to freeze it. Keep the urine in an airtight container and use it within 1 year. Sources differ on how long you can freeze urine and still use it.
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Why does my pubic hair smell?

Bacteria can cling to hair. In the vaginal area, that is both a good thing and a bad thing. You need your good vaginal bacteria to prevent an overgrowth of yeast, but when bacteria mix with the sweat and oil on your pubic hair, it can produce a smell.
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How come when I open my legs it smells male?

Hyperhidrosis is a condition that causes excessive sweating. Men are especially vulnerable to this in the groin area due to testicles that can rub against their skin, creating friction, and increasing sweating. The extra sweat can attract fungus and bacteria, which leads to bad smells.
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Why do my towels smell like pee?

Lastly, a buildup of fabric softener can cause towels to be awfully smelly. Fabric softener doesn't allow the cotton fibers of the towel to rinse cleanly, so it hangs on to detergent and softener. These left on particles attract dirt, grime and smells and all of those things surely lead to stink.
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Does Urine Gone work on wood floors?

MULTIPURPOSE CLEANER: Urine Gone pet spray is safe for carpet, wood, tile, bathrooms, sofas, mattresses & litter boxes.
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Does human urine leave a stain?

If left untreated, urine poses a hygiene risk and has the ability to damage carpet, fabrics, flooring, furniture and more. Over time, uric acid crystals will permanently change the dye structure of carpet and fabrics, and can even 'burn' the tannins in wood, causing black stains around the affected areas.
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How long does urine stay in carpet?

The bacterial odor fighting chemical will continue waging war with the urine smell on top and under your carpet for up to two weeks, so you need not fret if odor lingers after your cleaning. This is normal, and it will probably go away.
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What does dried urine look like?

Dark urine due to dehydration is usually amber or honey-colored. Dark urine due to other causes can be tinged with brown or red. Some people have urine that appears almost syrup-like.
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Is fresh pee sterile?

Urine is not sterile, even before it comes out of you and gets contaminated by your skin. Bacteria are present at low levels in the urine of healthy people not suffering from a urinary tract infection, Evann Hilt of Loyola University of Chicago reported May 18 at a conference of the American Society for Microbiology.
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Does peeing on a wound clean it?

What about using pee to flush a wound? Mr Cooper says it's fine to use urine to irrigate cuts and wounds, but it has to be freshly passed — and not left in the heat for bacteria to breed. "Urine can get septic pretty quick after it comes out of the body," he said.
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Why does my boyfriend smell so good?

Some people think their partner smells so good because of pheromones, which are chemicals that act like hormones outside of the body, influencing others' behavior, Dr. Navya Mysore, M.D., a provider at One Medical. In animals, pheromones signal that it's time to mate, or warn that an enemy is approaching.
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Why should a woman not shave her pubic hair?

Removing pubic hair may therefore make a person more susceptible to common infections, such as UTIs, vaginitis, and yeast infections. Hair removal can also irritate your skin, leading to skin infections such as cellulitis and folliculitis. In other cases, grooming-related injuries, such as cuts, could become infected.
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How long does urine last at room temperature for a drug test?

Urine left at room temperature >2 hours is not acceptable. Urine preservatives are only accepted for 24 hours of urine collection, not for routine examination.
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Why is early morning urine The best sample to be tested?

Your doctor may, for example, request a first morning sample because the urine is more concentrated and therefore it is more likely to show up any abnormalities. Or if the doctor is looking for glucose in the urine they may ask you to collect a sample after a meal. You will probably be asked for a “mid-stream” sample.
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Can you identify a person by urine?

Yes, it's usually possible to recover enough DNA from cells shed into the urine to carry out a DNA identitiy test of the kind used by Forensic Scientists to identify individuals. These tests generally include a sex determination test.
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Does urine turn into ammonia?

Fresh human urine is sterile and so free from bacteria. Only when it is older than 24 hours, the urea turns into ammonia, which is what causes the distinctive smell.
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Does pee smell evaporate?

Unlike the rest of the urine, the salts do not evaporate and leave the area. Instead, they stay and attract moisture. The extra moisture makes a great environment for mold, viruses and bacteria. The mold and bacteria are what actually causes the smell.
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Is pee good for plants?

Urine is chock full of nitrogen, potassium and phosphorus, which are the nutrients plants need to thrive—and the main ingredients in common mineral fertilizers.
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What takes out the smell of human urine?

Mix Baking Soda, Peroxide and Dish Detergent

Make a solution of baking soda, peroxide and any dish detergent. The combination of the three is often powerful enough to drive away even the strongest of urine smells.
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