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Topic: Nitrocellulose


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  Manufacturer industrial grade nitrocellulose in India
Industrial nitrocellulose is known to be one of the oldest film formers unequalled in properties like toughness, durability, fast solvent release capacity and solubility.
Nitrocellulose is a derivative of cellulose and is manufactured from purified cellulose either in the form of cotton linters or woodpulp.
Nitrex Chemicals India manufactures nitrocellulose from bleached cotton linters with nitrogen content in the range of 10.7% to 12.2%.
www.nitrexchemicals.com /nitrocellulose.html   (323 words)

  
  Nitrocellulose Summary
Nitrocellulose membrane or nitrocellulose paper is a sticky membrane used for Western blots and immobilizing DNA.
Nitrocellulose is widely used as support in diagnostic tests where antigen-antibody binding occur, e.g.
Nitrocellulose lacquer ("Nitro") was used as a finish on guitars in the 1950s and 1960s and is still used on some highend models.
www.bookrags.com /Nitrocellulose   (1514 words)

  
 Nitrocellulose - Wikipedia, the free encyclopedia
Nitrocellulose (also: cellulose nitrate, flash paper) is a highly flammable compound formed by nitrating cellulose through, for example, exposure to nitric acid or another powerful nitrating agent.
Nitrocellulose membrane or nitrocellulose paper is a sticky membrane used for Western blots and immobilizing DNA.
Nitrocellulose lacquer often mistakenly referred to as "Nitro" was used as a finish on guitars in the better part of the 20th century and is still used on some current applications.
en.wikipedia.org /wiki/Nitrocellulose   (1262 words)

  
 Nitrocellulose
Nitrocellulose is a highly flamable compound formed by exposing cellulose to nitric acid.
The first cine films were made using nitrocellulose; decades later, it was discovered that nitrocellulose gradually decomposed, releasing nitric acid, which further catalysed the decomposition.
Nitrocellulose can be made by putting cotton wool (almost pure cellulose) into a mixture of 2 parts sulfuric acid and 1 part nitric acid.
www.ebroadcast.com.au /lookup/encyclopedia/gu/Guncotton.html   (172 words)

  
 Nitrocellulose lacquers: The most used finish for interior wood products - WoodDigest.com   (Site not responding. Last check: 2007-10-30)
Nitrocellulose lacquers are coatings based on nitrocellulose resin dissolved in a solvent solution and are designed to protect and beautify wood.
Nitrocellulose is a film forming resin that can be modified with many other resins (such as alkyds, acrylics, maleic resins, oils, plasticizers, etc.) to produce finishes with a wide variety of properties.
Nitrocellulose lacquers should be chosen when ease of use and appearance is critical, and when catalyzed finishes are not specified.
www.wooddigest.com /strategycenter/article.jsp?siteSection=3&id=161   (1078 words)

  
 Nitrocellulose   (Site not responding. Last check: 2007-10-30)
Nitrocellulose paper is a sticky membrane used for Western blots and immobilizing DNA.
Nitrocellulose itself was used as the first film base beginning with Eastman Kodak products in August 1889.
Nitrocellulose film base manufactured by Kodak can be identified by the presence the word "Nitrate" in (usually) red letters perforations; acetate film manufactured during the era nitrate films were in use was marked or "safety film" between perforations in (usually) letters.
www.freeglossary.com /Gun_cotton   (842 words)

  
 Æ Aeragon - Military Explosives
Composite propellants are mixtures of fuels and oxidizers that are mostly not nitrocellulose and nitroglycerin.
Black powder has been largely replaced as a propellant by nitrocellulose powder but it is still widely used for initiating charges, primers and fuzes in military ammunition as well as fireworks, flares and other uses.
To make nitrocellulose powder, the nitrocellulose is dissolved in a mixture of ether and alcohol and it becomes a gelatinous mass.
www.aeragon.com /o/me   (3787 words)

  
 Nitrocellulose - Applications, Characterisation, Production and Storage - Supplier Data by Wolff Cel
The nitrocellulose grades offered by Wolff Cellulosics are damped with at least 30% alcohol or water, or in the case of NC-Chips phlegmatised with 20% plasticiser.
Nitrocellulose is produced by causing cellulose to react with nitrating acid (a mixture of nitric acid and sulfuric acid).
Nitrocellulose is highly flammable and is governed by laws and regulations.
www.azom.com /details.asp?ArticleID=2785   (1083 words)

  
 nitrocellulose - HighBeam Encyclopedia
nitrocellulose nitric acid ester of cellulose (a glucose polymer).
It is usually formed by the action of a mixture of nitric and sulfuric acids on purified cotton or wood pulp.
When cotton is treated so that nearly all of the hydroxyl groups of the cellulose molecule are esterified, but with little or no degradation of the molecular structure, the nitrocellulose formed is called guncotton.
www.encyclopedia.com /doc/1E1-nitrocel.html   (324 words)

  
 The use of microporous polymer membranes in immunoassays (IVDT archive, May 96)
Membranes made of nitrocellulose, currently the material of choice, can be produced with a wide range of pore sizes and treated with surfactant to optimize their performance.
Nitrocellulose can be manufactured in a wide range of porosities, from 0.05 to about 12 µm, providing in turn a range of binding capacities and wicking or capillary-rise rates to aid in the flow of reactants through the assay.
Nitrocellulose membranes with pore sizes from 0.2 to 8 µm have been used in flow-through assays.
www.devicelink.com /ivdt/archive/96/05/007.html   (2001 words)

  
 Explosive composition comprising HMX, RDX, or PETN and a high viscosity nitrocellulose binder plasticized with TMETN - ...
Upon contact with ordinary low viscosity nitrocellulose, TMETN softens the surfaces of the nitrocellulose fibers but is incapable of achieving penetration and complete colloidation of such nitrocellulose and hence is considered unsuitable for the preparation of single and multiple base propellants.
As increasing proportions of high viscosity nitrocellulose were substituted with low viscosity nitrocellulose, the strength of the processed flexible composition decreased until at complete substitution of high viscosity nitrocellose in the binder, the product became too weak to serve any useful role as a sheet explosive.
In the determination of the nitrocellulose viscosity aforementioned, the 5/16-inch diameter steel ball shall weigh about 2.025-2.045 grams, the viscosimeter shall consist of a vertically mounted glass tube 14 inches long with an internal diameter of 1 inch immersed to the level of its liquid contents in a constant temperature bath maintained at 25.degree.
www.freepatentsonline.com /3943017.html   (4320 words)

  
 ICS on Lacquers
The name nitrocellulose is actually derived from the method of manufacture of the film forming nitrocellulose resin.
Nitrocellulose is produced by treating cellulose fibers with nitric acid (plus a little sulfuric acid).
Nitrocellulose lacquers have been manufactured and used as a top coat system for many years.
www.allprocorp.com /ics/documents/Lacquers.htm   (845 words)

  
 Whatman - Leadership in separations technology for the life sciences
Protran nitrocellulose membranes are the most frequently specified transfer media in the world for a wide range of applications.
Protran membranes are manufactured using 100% pure nitrocellulose to ensure the highest binding capacity possible.
A particular benefit of the proprietary Protran nitrocellulose formula is the proven excellent shelf life of proteins.
www.whatman.com /products/?pageID=7.58.322.205   (259 words)

  
 The Manufacture of Smokeless Powders and their Forensic Analysis by Robert M. Heramb and Bruce R. McCord
Stabilizers prevent the nitrocellulose and nitroglycerine from decomposing by neutralizing nitric and nitrous acids that are produced during decomposition.
Nitrocellulose of high- and low-nitrogen content are combined with volatile organic solvents, desired additives are blended with them, and the resulting mixture is shaped by extrusion and cut into specified lengths.
Nitrocellulose and nitroglycerine are premixed with additives prior to the addition of a nitroguanidine solvent mixture.
www.fbi.gov /hq/lab/fsc/backissu/april2002/mccord.htm   (2804 words)

  
 Nitrocellulose
Nitrocellulose is a fibrous white solid resembling the cotton or wood pulp cellulose from which it was made.
I would not tend to trust homemade nitrocellulose because it's stability is very dependent on purity.
There are different grades of nitrocellulose, depending on the degree of nitration.
www.stormloader.com /users/explosive/nitrocelulose.htm   (413 words)

  
 Troubleshooting Protein Binding in Nitrocellulose Membranes (Part 1)—Principles (IVDT archive, Mar 99)
In untreated nitrocellulose membranes, the hydrophilicity of the material is a direct function of its pore structure.
Traditional theories concerning the aging of nitrocellulose membranes have largely assumed that this retained moisture is volatile; thus as the membrane ages it loses moisture and becomes hydrophobic, statically charged, and brittle.
Some research on nitrocellulose aging seems to dispute the conclusion that the moisture retained by nitrocellulose membranes is volatile, and recent studies have shown that effects similar to hydrophobicity can be achieved during storage even at very high humidity levels.
www.devicelink.com /ivdt/archive/99/03/009.html   (5633 words)

  
 John Kiernan's web page - Nitrocellulose-coated slides
Nitrocellulose is a name for several products obtained by treating cellulose with a mixture of concentrated nitric and sulphuric acids.
It probably does not matter which form of nitrocellulose is used for making films to keep sections on slides.
A nitrocellulose film is permeable to dyes and other reagents used for staining.
publish.uwo.ca /~jkiernan/nitroflm.htm   (539 words)

  
 Nitrocellulose synthesis by POWERLABS!
The acetone was than allowed to vaporize until a concentrated syrup-like nitrocellulose lacquer formed.
Notice how it has taken the shape of the beaker and how it formed thin sheets of NC that were smeared on the sides of the beaker: those thin sheets are a material very similar to what is used in guitar and other resistant, high gloss coatings...
The nitrocellulose produced by this method is EXPLOSIVE and can deflagrate or even detonate violently on shock, friction, or spark when dry.
www.powerlabs.org /chemlabs/nitrocellulose.htm   (1150 words)

  
 Stewart-MacDonald: Free information, i-NITROCELLULOSE
Nitrocellulose lacquer is synonymous with well-crafted, vintage and modern instruments.
The look, feel, and tone of nitrocellulose is hard to surpass, and it is easier than many finishes to repair or touch-up.
Nitrocellulose finishes should have a total 6-12 coats — sealer, color, and clear coats combined.
www.stewmac.com /freeinfo/I-NITROCELLULOSE.html   (343 words)

  
 Hanomy nitrocellulose membrane
We are pleased to introduce a new family of nitrocellulose
HanoBlot NC membrane: a 0.2 µm nitrocellulose membrane
HanoRapid NC membrane: a 5 µm nitrocellulose membrane
www.hanomy.com   (92 words)

  
 CNN.com - Homeland Security warns of 'pillow bombs' - Oct. 15, 2003
The explosive -- nitrocellulose -- is a propellant for ammunition and some rockets and is extremely flammable when packed in a sturdy container.
The department issued a warning about the possible use of nitrocellulose on August 8 to airport managers, state and local law enforcement and border agents after receiving "actionable intelligence" that al Qaeda or other terrorist groups were trying to exploit this explosive method.
While nitrocellulose is not detectable by airport X-ray machines, it can be detected by trace detection machines that are used as backups at passenger screening checkpoints.
www.cnn.com /2003/US/10/14/pillow.bomb/index.html   (411 words)

  
 NITROCELLULOSE (less than 12.6% nitrogen ) (ICSC)
Nitrocellulose, dry or wetted with less than 25% water (or alcohol) by weigth: UN 0340; UN Hazard class 1.1D; Transport Emergency Card: TEC (R)-10G1.1.
Nitrocellulose, with alcohol, not less than 25% alcohol by weigth, and not more than 12.6% nitrogen: UN 2556; UN Hazard class: 4.1; UN Pack Group: II; Transport Emergency Card: TEC (R)-41S2556.
Nitrocellulose, with not more than 12.6% nitrogen dry weight, mixture with or without plasticizer, with or without pigment: UN 2557; UN Hazard class: 4.1; UN Pack Group: II; Transport Emergency Card: TEC (R)-41S2557.
www.inchem.org /documents/icsc/icsc/eics1560.htm   (391 words)

  
 Wolff Cellulosics - Nitrocellulose in Solution
The viscosity of a nitrocellulose solution depends not only on the molecular weight of the nitrocellulose grade, but also on the solvent or solvent mixture used.
Within a given class of solvent, the higher the relative molar mass of the solvent, the higher the viscosity of the nitrocellulose solution (the dissolving capability of the solvent decreases equally in relation to the increasing molar mass).
Increasing the content of non-solvent (toluene) also increases the viscosity of the nitrocellulose solution, and at a content of 10 to 30 % by weight of toluene in the solution a kind of plateau is reached where the viscosity remains virtually constant.
wolff-cellulosics.com /ce/cecms.nsf/id/4D331DCAA59450D4C1256ED0005BA406   (557 words)

  
 Western blotting
You want the negative charge to be on the side of the gel and the positive charge to be on the side of the nitrocellulose membrane to drive the negatively charged proteins over to the positively charged nitrocellulose membrane.
This gives you a nitrocellulose membrane that is imprinted with the same protein bands as the gel.
Incubate the nitrocellulose membrane with a primary antibody.
lifesciences.asu.edu /resources/mamajis/western/western.html   (829 words)

  
 DuPont Heritage: Nitrocellulose
However, this early form of nitrocellulose was too unstable to be used safely in explosives production.
Scientists later converted nitrocellulose into a stable base for an improved gunpowder known as smokeless powder.
This discovery led to a wide array of end uses for nitrocellulose including plastics, lacquers and photographic film.
heritage.dupont.com /floater/fl_nitrocellulose/floater.shtml   (360 words)

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