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  • ...], 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
  • * 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
  • ...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
  • ...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
  • ...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
  • ...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
  • * 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
  • ...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
  • ...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
  • ...]] 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
  • ...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
  • ...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
  • 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
  • ...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
  • * 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
  • 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
  • ...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
  • 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
  • ...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
  • ...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
  • ...arsenic forms [[arsenic%20trioxide|arsenic trioxide]], a white, poisonous gas. Arsenic and its salts are used as [[wood%20preservative|wood preservatives ...Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, ''JAIC'' (35):23-43, 1996
    4 KB (512 words) - 14:40, 3 November 2023
  • ...ressure. Many fiberboards are held together by the interlocking fibers and natural adhesives (wet process); other fiberboards have additional adhesive compone ...ate, and sleepiness. Health risks associated with exposure to formaldehyde gas: eye and respiratory irritation, respiratory difficulty.
    5 KB (662 words) - 11:08, 2 March 2023
  • ...-VOC (see table) are latex or water-based. Some smaller companies provide natural, non-toxic options that contain water, plant oils, plant dyes, milk protein
    5 KB (743 words) - 11:56, 13 February 2023
  • ...the United States, India, Norway, Sri Lanka, and Brazil. Small amounts of natural rutile may have been used as a pale yellow to red brown or nearly black pig ...uced pigment in 1948 using the chloride process. In this method, chlorine gas is reacted with an ore of high titanium dioxide content (generally rutile o
    7 KB (1,050 words) - 10:55, 4 January 2023
  • ...ts with silica at high temperatures to produce toxic silicon tetrafluoride gas. * J.Gordon Cook, ''Handbook of Textile Fibres:I Natural Fibres'', Merrow Publishing Co. , Durham, England, 1984
    6 KB (740 words) - 14:23, 4 January 2023

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