According to the Internet, the first thing you want to do is pee on your wound. After all, the common wisdom holds, urine is sterile. Wrong again, Internet. Urine is not sterile, even before it comes out of you and gets contaminated by your skin.
https://www.sciencenews.org/blog/gory-details/urine-not-sterile-and-neither-rest-you
the fluid containing water and waste products that is secreted by the kidneys, stored in the bladder, and discharged by way of the urethra. 1  Contents of the Urine. Several different types of waste products are eliminated in urine (for example, urea, uric acid, ammonia, and creatinine); none are useful in the blood.
http://medical-dictionary.thefreedictionary.com/urine
The kidneys take out waste material, minerals, fluids, and other substances from the blood to be passed in the urine. Urine has hundreds of different body wastes. What you eat and drink, how much you exercise, and how well your kidneys work can affect what is in your urine.
http://www.webmd.com/a-to-z-guides/urine-test
Biochemical analysis of urine is called 'urinalysis', and is commonly used to diagnose a wide range of diseases. Typical volume of urine: 1-2 litres / 24 hours per day (normal adult). Variations due to : recent fluid intake, diet, temperature, blood pressure, general health, mental state.
http://www.ivyroses.com/HumanBody/Urinary/Urinary_System_Composition_Urine.php
For example, urine of diabetics may have a sweet or fruity odour due to the presence of ketones (organic molecules of a particular structure). Generally fresh urine has a mild smell but aged urine has a stronger odour, similar to that of ammonia. Acidity: pH is a measure of the acidity (or alkalinity) of a solution.
http://www.ivyroses.com/HumanBody/Urinary/Urinary_System_Composition_Urine.php
Urine is not sterile, and neither is the rest of you. DON’T DO IT Urinating on a wound to clean it in an emergency has become fodder for urban legend, but new research debunks the idea that urine is sterile. Let’s say you find yourself lying at the bottom of a ravine with a dirt-filled gash in your leg.
https://www.sciencenews.org/blog/gory-details/urine-not-sterile-and-neither-rest-you
The pH of normal urine is generally in the range 4.6 - 8, a typical average being around 6.0. Much of the variation is due to diet. For example, high protein diets result in more acidic urine, but vegetarian diets generally result in more alkaline urine (both within the typical range 4.6 - 8).
http://www.ivyroses.com/HumanBody/Urinary/Urinary_System_Composition_Urine.php
More than 70 percent of the urine samples contained bacteria, including at least 33 types of bacteria (at the genus level) in normal urine. Women with overactive bladders had more types of bacteria in their urine (77 genera), including four species found only in overactive bladder patients.
https://www.sciencenews.org/blog/gory-details/urine-not-sterile-and-neither-rest-you
A urine test checks different components of urine, a waste product made by the kidneys . The normal values listed here-called a reference range-are just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal. Your lab report should contain the range your lab uses.
http://www.webmd.com/a-to-z-guides/urine-test
the fluid secreted by the kidneys, transported by the ureters, stored in the bladder, and voided through the urethra. Normal urine is clear, straw-colored, and slightly acid; has the odor of urea; and has a specific gravity between 1.003 and 1.035. Its normal constituents include water, urea, sodium chloride, potassium chloride, phosphates, uric acid, organic salts, and the pigment urobilin.
http://medical-dictionary.thefreedictionary.com/urine
what is contained in normal urine
Water, urea, sodium chloride, potassium chloride, phosphates, uric acid, organic salts, and the pigment urobilin are contained in normal urine.   In a normal urine there is water, urea, sodium chloride, potassium chloride, phosphates, uric acid, organic salts, and the pigment urobilin.