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tar

Also known as tars

right|thumb|One can produce a tar-like substance from corn stalks by heating them in a microwave oven. This process is known as pyrolysis. Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from carbon-rich materials such as coal, wood, petroleum, peat, and other organic matter.

AI overview

Tar is a dark, thick liquid made up of hydrocarbons and carbon that's produced by heating carbon-rich materials like coal, wood, and peat in a process called destructive distillation. It has been historically important as a useful material derived from various organic sources, and can even be made from unexpected materials like corn stalks using heat.

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Research

14,876 papers

Coal Tar.Review2006
Tar.ReviewClinics in dermatology · 1997Arnold WPDOI: 10.1016/s0738-081x(97)00018-7
Tar level of cigarettes smoked and risk of smoking-related diseases.ReviewInhalation toxicology · 2018Lee PNDOI: 10.1080/08958378.2018.1443174
Tar revisited.ReviewInternational journal of dermatology · 1985Lin AN, Moses KDOI: 10.1111/j.1365-4362.1985.tb05762.x
Coal tar in dermatology.ReviewThe Journal of dermatological treatment · 2007Roelofzen JH, Aben KK, van der Valk PG et al.DOI: 10.1080/09546630701496347
Tar Formation in Gasification Systems: A Holistic Review of Remediation Approaches and Removal Methods.ReviewACS omega · 2024Jayanarasimhan A, Pathak RM, Shivapuji AM et al.DOI: 10.1021/acsomega.3c04425
Cigarette tar mediates macrophage ferroptosis in atherosclerosis through the hepcidin/FPN/SLC7A11 signaling pathway.Free radical biology & medicine · 2023Bao X, Luo X, Bai X et al.DOI: 10.1016/j.freeradbiomed.2023.03.006
Transversus abdominis release (TAR): what are the real indications and where is the limit?ReviewHernia : the journal of hernias and abdominal wall surgery · 2020Zolin SJ, Fafaj A, Krpata DMDOI: 10.1007/s10029-020-02150-5

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Wikidata facts

Image: Corn Stover Tar from Pyrolysis by Microwave Heating.jpg

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Commons category: Tar

Sources (4)

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~7 min read

Article

7 sections

Contents

Terminology
Wood tar
Uses
Coal tar
See also
References
External links

Mineral products resembling tar can be produced from fossil hydrocarbons, such as petroleum. Coal tar is produced from coal as a byproduct of coke production.