Search results

• Pollutant
  ...], or [[particulate|particulate]] contaminant. Pollutants are generated by natural and man-made sources, such as decomposition, abrasion, or combustion. Pollu | Fuel combustion, humans, natural gas, marshes, volcanoes, wool, silk, felt, furs, vulcanized rubber, waterlog
  6 KB (763 words) - 10:50, 16 August 2023
• Escal
  * Collins, Chris. “Barrier Films.” The Natural History Museum, 1999. [Http://conservation.myspecies.info/sites/conservatio ...by Design International, 2020. https://www.cxdinternational.com/escal-neo-gas-barrier-film-suesne7755
  2 KB (303 words) - 10:38, 4 March 2023
• Ultramarine red
  ...ed by treating ultramarine blue with sal ammoniac or dry hydrochloric acid gas at high temperatures. The sodium reacts to form sodium chloride, which is t * J. Plesters, "Ultramarine Blue, Natural and Artificial", ''Artists Pigments'', Volume 2, A. Roy (ed.), Oxford Unive
  2 KB (233 words) - 09:58, 23 June 2022
• Ultramarine violet
  ...ed by treating ultramarine blue with sal ammoniac or dry hydrochloric acid gas at high temperatures. The sodium reacts to form sodium chloride, which is t * J. Plesters, "Ultramarine Blue, Natural and Artificial", ''Artists Pigments'', Volume 2, A. Roy (ed.), Oxford Unive
  2 KB (257 words) - 10:01, 23 June 2022
• Butadiene
  ...countries developed butadiene production capabilities as a replacement for natural rubber. Currently, butadiene is primarily used as a starting material for
  2 KB (273 words) - 09:14, 11 May 2022
• Mössbauer spectroscopy
  ...ffers a recoil effect which is several orders of magnitude larger than the natural line width. No resonance is possible between free atoms or molecules
  2 KB (360 words) - 20:05, 3 August 2022
• Tourmaline
  * Inclusions = thread-like liquid and gas inclusions; mirror-like gas-filled fractures [[media:download_file_444.pdf|Natural and Simulated Diamonds]]
  4 KB (535 words) - 13:27, 4 January 2023
• Plastic
  ...to form a product that retains its given shape. Natural plastics include [[natural%20resin|tree resins]], [[beeswax|beeswax]], [[gutta-percha|gutta-percha]], * Gas barrier, for anoxic treatments
  5 KB (622 words) - 14:21, 17 August 2022
• Activated carbon
  ...form of pellets, powder, or fabric. Commercial uses of the sorbent include gas masks, filter systems, decolorizing sugar, solvent recovery, and purificati ...e kool (Ned.); wêgiel aktywny (Pol.); (ACC); black pearsl, charcoal black, natural graphite
  3 KB (356 words) - 13:27, 14 July 2023
• Chloroform
  ...]] for [[fat|fats]], [[oil|oils]], [[rubber|rubber]], [[wax|waxes]], and [[natural resin|resins]]. It has been used as a cleaning fluid, refrigerant, degrease ...heat, moisture and UV light forming highly toxic fumes (phosgene, chlorine gas and hydrogen chloride).
  3 KB (354 words) - 13:31, 29 May 2022
• Polyurethane
  ...er|spandex]] or elastane. Spandex has elastic characteristics similar to [[natural rubber]]. Since the 1980s, water-blown flexible polyurethane foams were mad ...chromatography/mass spectrometry and headspace-solid phase microextraction-gas chromatography/mass spectrometry” Journal of Chromatography A, 1218(28) 2
  8 KB (1,040 words) - 15:33, 10 November 2023
• Aerogel
  ...Aerogels are derived from gels in which the liquid has been replaced with gas while retaining the structure of the solid framework. The first aerogel mat * Natural polymers: [[cellulose]], [[agar]] (SEAgel), [[gelatin]], [[pectin]]
  3 KB (449 words) - 10:44, 8 July 2023
• Hydrogen cyanide
  A clear, colorless gas or liquid that smells faintly of almonds. Hydrogen cyanide is usually sold ...Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, ''JAIC'' (35):23-43, 1996
  3 KB (378 words) - 13:09, 14 September 2022
• Corundum
  ...fluid inclusions not seen in synthetic stones. Synthetic stones may have gas bubbles. [[media:download_file_406.pdf|Properties of Natural and Simulated Diamonds]]
  5 KB (605 words) - 12:57, 23 December 2022
• Bleaching agent
  * Chlorine bleaches will release highly toxic chlorine gas when mixed with acids, ammonia or when heated. ...de Graaff, ''The Colourful Past: Origins, Chemistry, and Identification of Natural Dyestuffs'', Archetype, London, 2004 Comment: Claude Berthollet published
  3 KB (411 words) - 16:00, 8 May 2022
• Sulfur dioxide
  Colorless gas with a pungent odor. Sulfur dioxide is a common [[pollutant|pollutant]] pro ...Relative Humidity" Program and Abstracts, Society for the Preservation of Natural History Collections, Chicago, 1990.
  3 KB (410 words) - 16:22, 17 July 2023
• Amber
  ...ge when rubbed with a cloth. It is easy to carve and was often used in its natural state for jewelry, beads, amulets, and small vessels. Amber was also used a * Inclusions may include gas bubble, flow lines, insects and other types of organic and inorganic materi
  5 KB (729 words) - 11:37, 3 January 2023
• Walnut oil
  A natural, colorless drying oil pressed from the nuts of a [[walnut|walnut]] tree, '' * Mills J.. "Composition and identification of dried oil film: The gas-chromatographic examination of paint media", ''Studies in Conservation'', 1
  3 KB (392 words) - 12:38, 23 August 2020
• Gasket Types
  ...ntial for the transfer of dust, dirt, pollutants and pests. In the past, [[natural rubber]], [[paper]], [[metal]], [[felt]], [[asbestos]], and [[cork]] were u | Low gas permeation. High vibration absoprtion (dampening)
  4 KB (554 words) - 10:22, 3 March 2023
• Methanol
  ...at, and [[lignite|lignite]] as well as by the partial oxidation of natural gas hydrocarbons. Methanol is highly polar and is usually a better solvent than
  3 KB (465 words) - 13:45, 17 April 2024

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)