![]() Learn what happens where there is too much sodium in the body. If a person has hyponatremia, sodium levels in the body are too low. Hyponatremia can result from some of these conditions. using diuretics, or water pills, which cause the body to remove extra sodium from the urine.drinking too much fluid, for example, due to excess thirst, or polydipsia.The person may be drinking too much fluid or have a condition that makes them thirsty.Ĭonditions that cause low specific gravity include: Low specific gravity suggests that urine is too diluted. ![]() Learn more about red blood cells in the urine here. High levels of certain substances in the urine can also cause high specific gravity. diarrhea or vomiting resulting in dehydration.This can be a sign of dehydration, and the doctor may recommend drinking more clear fluids.Ĭonditions that cause high specific gravity include: ![]() High specific gravity suggests that the concentration of urine is too high. Results from these other tests will help make an accurate diagnosis. If a doctor identifies an unusual result, they may recommend further testing to determine if an underlying condition is causing the urine changes. Urine-specific gravity is only one measure of health. However, doctors cannot specify low, acceptable, or high values because many factors can affect urine composition. Water absorption shall not be more than 0.6 per unit by weight.Doctors consider the result of a urine-specific gravity test to be normal if it is within the range 1.003–1.030. The specific gravity of aggregates normally used in road construction ranges from about 2.5 to 3.0 with an average of about 2.68. Recommended Values of Specific Gravity and Water Absorption for Aggregates ** Though high specific gravity is considered as an indication of high strength, it is not possible to judge the suitability of a sample aggregate without finding the mechanical properties such as aggregate crushing, impact and abrasion values. (3) Water Absorption = (( W 3 – W 4) / W 4 ) X 100 ** The size of the aggregate and whether it has been artificially heated should be indicated. (2) Apparent specific gravity = W 4/ ( W 4– ( W 1 1– W 2)) (1) Specific gravity = W 3 / ( W 3– ( W 1– W 2)) Weight of water equal to the volume of the aggregate = W 3–( W 1– W 2 )g Formulas: Weight of saturated aggregate in water = W 1 – W 2 g Weight of saturated surface dry aggregate in air = W 3g Weight of basket suspended in water = W 2 g Weight of saturated aggregate suspended in water with basket = W 1g It is then removed from the oven, cooled in an air tight container and weighted= W 4 g.
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