Bioponics, Blog, Fertilizers, Nutrient Cycling

Urine composition for determining benefits as fertilizer alternative.

Urine-formation

Here is an overview of what minerals and elements are found in human urine. This is useful for determining urine requirements for volumes of water base total plants and plant needs. Algosolar will soon post a calculator to help calculate ratios. Nearly all of these substances are utilized by all other living species, in one way or another.

“An average sized human adult produce 1-2 litres / 24. However, the amount per day varies considerably. Approximately 95% of the volume of normal urine is due to water. The other components of normal urine are the solutes that are dissolved in the water component of the urine. These solutes can be divided into two categories according to their chemical structure. They are organic molecule and inorganic ions.” This information is provided by Tutorvista

 

Quantities of Organic Constituents of Human Urine

Nitrogen 23 – 35 g

Urea 25 – 30 g

Creatine 60 -150 mg

Creatinine 1.2 1.7g

Ammonia 0.3 – 1.0 g

Uric acid – 0.5 – 0.8 g

Hippuric acid 0.1- 1.0 g

Oxalic acid 10 – 30 mg

Amino acid 150 – 200 mg

Allantion – traces

Vitamins, hormones, enzymes – traces

 

Quantities of Inorganic Constituents of Human Urine

Chloride 6 – 9g

Chloride (NaCI) 10 – 15g

Phosphate 0.8 – 1.3 g

Sulphate 0.8 – 1.3 gm

Potassium 2.5 – 3.0 g

Sodium 4.5 g

Calcium 0.1- 0.3g

Magnesium 0.1 – 0.2 g

Iodine 50 – 250μg

Arsenic 50μg

Lead 50μg

 

Organic Constituents of Human Urine

Urea – Urea is derived from ammonia and produced by the deamination of amino acids. The amount of urea in urine is related to quantity of dietary protein.

Creatinine – Creatinine is a normal (healthy) constituent of blood. It is produced mainly as a result of the breakdown of creatine phosphate in muscle tissue. It is usually produced by the body at a fairly constant rate

Uric acid – Uric acid is an organic (i.e. carbon-based) compound whose chemical formula is: C5H4N4O3.Due to its insolubility, uric acid has a tendency to crystallize, and is a common part of kidney stones.

Other substances/molecules: other substances that may be found in small amounts in normal urine include carbohydrates, enzymes, fatty acids, hormones, pigments, and mucins

 

Inorganic Constituents of Human Urine

Sodium (Na+) : Amount in urine varies with diet and the amount of aldosterone in the body.

Potassium (K+) : Amount in urine varies with diet and the amount of aldosterone in the body.

Chloride (Cl-): Amount in urine varies with dietary intake.

Magnesium (Mg2+): Amount in urine varies with diet and the amount of parathyroid hormone in the body. Calcium (Ca2+): Amount in urine varies with diet and the amount of parathyroid hormone in the body.

Ammonium (NH4+): The amount of ammonia produced by the kidneys may vary according to the pH of the blood and tissues in the body.

Sulphates (SO42-): Sulphates are derived from amino acids. The quantity of sulphates excreted in urine varies according to the quantity and type of protein in the person’s diet.

Phosphates (H2PO4-, HPO42-, PO43-): Amount in urine varies with the amount of parathyroid hormone in the body – parathyroid hormone increases the quantity of phosphates in urine. The composition of organic and inorganic constituents of human urine is cited below.

Other urine composition topics from Tutorvista. The website is useful as a primary or refresher in various academic sites. Additional links below:

 

Physical properties of urine? Physical properties of urine: The physical properties and chemical composition of urine are very variable and…..

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About drdave

CoFounder of Algosolar, dba Bioponica. Consultant, designer, developer of Biogarden and Incubator Ecosystems for producing organic food and fish, sustainably.

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