![Urine after 4 months (28 June) (2957323941)](https://upload.wikimedia.org/wikipedia/commons/9/9e/Urine_after_4_months_%2828_June%29_%282957323941%29.jpg)
Lant is aged
urine
Urine is a liquid by-product of metabolism in humans and in many other animals. Urine flows from the kidneys through the ureters to the urinary bladder. Urination results in urine being excretion, excreted from the body through the urethra.
Cel ...
. The term comes from
Old English
Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo ...
, which referred to urine. Collected urine was put aside to
ferment
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen. In food ...
until used for its chemical content in many pre-industrial processes, such as cleaning and production.
History
Because of its
ammonium
The ammonium cation is a positively-charged polyatomic ion with the chemical formula or . It is formed by the protonation of ammonia (). Ammonium is also a general name for positively charged or protonated substituted amines and quaternary a ...
content, lant was most commonly used for floor cleaning and laundry. According to early
housekeeping
Housekeeping is the management and routine support activities of running an organised physical institution occupied or used by people, like a house, ship, hospital or factory, such as tidying, cleaning, cooking, routine maintenance, shopping, ...
guides,
bedpan
A bedpan or bed pan is a receptacle used for the toileting of a bedridden patient in a health care facility, and is usually made of metal, glass, ceramic, or plastic. A bedpan can be used for both urinary and fecal discharge. Many diseases can ...
s would be collected by one of the younger male servants and put away to ferment to a mild
caustic
Caustic most commonly refers to:
* Causticity, a property of various corrosive substances
** Sodium hydroxide, sometimes called ''caustic soda''
** Potassium hydroxide, sometimes called ''caustic potash''
** Calcium oxide, sometimes called ''caus ...
before use.
In larger
cottage industries
The putting-out system is a means of subcontracting work. Historically, it was also known as the workshop system and the domestic system. In putting-out, work is contracted by a central agent to subcontractors who complete the project via remote ...
, lant was used in
wool
Wool is the textile fibre obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have properties similar to animal wool.
As ...
-processing
and as a source of
saltpeter
Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrat ...
for
gunpowder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). ...
. In times of urgent need and in districts where these were the chief industries, the whole town was expected to contribute to its supply.
See also
*
Ammonia
Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...
*
Urine
Urine is a liquid by-product of metabolism in humans and in many other animals. Urine flows from the kidneys through the ureters to the urinary bladder. Urination results in urine being excretion, excreted from the body through the urethra.
Cel ...
*
Home remedies
Traditional medicine (also known as indigenous medicine or folk medicine) comprises medical aspects of traditional knowledge that developed over generations within the folk beliefs of various societies, including indigenous peoples, before the ...
*
Nitrogen
Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at se ...
References
*Ray, John (1691) ''North Country Words''
Addy, Sidney (1888) ''Glossary of Sheffield Words'', p.164*
*
* Kelly, John F.
''Hippocrates Magazine.'' (May/June 1988) By Hercules
*
* {{cite book , author=Grose, Francis , title=A Provincial Glossary with a Collection of Local Proverbs and Popular Superstitions , location=London , publisher=S. Hooper , year=1787
Urine