![]() To diagnose and monitor certain medical conditions such as diabetes, kidney disease, and adrenal gland disorders.To evaluate dehydration or overhydration.To assess kidney function and determine if the kidneys are able to concentrate urine properly.Urine specific gravity (USG) may be tested for several reasons, including: Urine specific gravity is a measure of the concentration of solutes in urine, which reflects the kidney’s ability to concentrate urine. Urine specific gravity is a measurement of the concentration of solutes in urine, which reflects the kidney’s ability to concentrate urine. Clinical Significance of Urine Specific Gravity:.Factors Affecting Urine Specific Gravity:.The Decreased specific gravity is seen in:.The Increased specific gravity is seen in:. ![]() Normal Range of Urine Specific Gravity:.How is Urine Specific Gravity measured?.Consider the value as D.įinally, the mass of the pycnometer, which is filled with bitumen, is measured. Place it in a water bath at a temperature of 25 ☌ to reach the same temperature as the water bath. ![]() Dry it completely, then weigh it and consider the value as C.Īt the next step, fill the other half of the bottle with distilled water. Then place in a water bath at a temperature of 25 ☌ to reach the bath temperature. Be careful that air does not enter the sample.Īllow it to cool at room temperature. Fill half of a clean and dry pycnometer with bitumen. Heat the bitumen between 75 ☌ and 100 ☌ to become completely liquid. Record the weight with the balance and consider it as B. Then take the pycnometer out of the water bath and dry it with a towel. Put it in a water bath at 25 ☌ degrees and wait for it to warm. Consider the value as A.įill the pycnometer with distilled water and insert the stopper. Wash the specific gravity bottle (pycnometer) and dry it in the oven.
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