Kemikaali riskianalüüs Aniliin Õppejõud: Karin Reinhold Üliõpilane: Kood: 000000 Tallinn 2012 1. Introduction Aniline (also known as phenylamine or aminobenzene) is an organic compound with the formula C6H5NH2. Consisting of a phenyl group attached to an amino group, aniline is the prototypical aromatic amine. The largest application of aniline is for the preparation of methylene diphenyl diisocyanate. The majority of aniline serves this market. Other uses include rubber processing chemicals (9%), herbicides (2%), and dyes and pigments (2%). Illustrative of the drugs prepared from
Aniliin põleb tahmava leegiga. See imendub hästi suukaudsel sissehingamisel. Keskmine surmav doos inimese puhul on 25 mg/l õhus. Aniliin pole eriti bioakumuleeruv aine ning neeldub tahkesse ainesse vähesel määral. Aniliini kasutatakse riide, toiduvärvide ning ka ravimite valmistamiseks. 8 Kasutatud allikad A. Tuulmets. 2002. Orgaaniline keemia. Avita Canadian Water Quality Guidelines for the Protection of Aquatic Life. 1999. Aniline. Kättesaadav: http://ceqg-rcqe.ccme.ca/download/en/142 (09.11.15) EuropeanCommission. 2003. Aniline. Kättesaadav: http://ec.europa.eu/food/fs/sc/sct/out183_en.pdf (09.11.15) H. Raudsepp. 1967. Orgaaniline keemia. Valgus, Tallinn MaterialSafetyDataSheet. 1999. Aniline. Kättesaadav: http://avogadro.chem.iastate.edu/MSDS/aniline.htm (07.11.15) PAN PesticidesDatabase–Chemicals
When operating the chamber, make certain that the chamber can not tip over or use a catch basin between the chamber and the pump to catch any fluid before it can get to the vacuum pump. About Dying Veneers I figured out that about 3 cups of solvent will give you about a foot of fluid height. The picture shown is curly maple. I used 3 cups of lacquer thinner, mixed with 10 parts Stewmac Cherry red, 10 parts Stewmac Vintage Amber, and 1 part Stewmac Black aniline dyes. Transtint liquid dyes can also be used. It only takes about 5 minutes of vacuum to fully impregnate most veneers with dye. I recommend using dyes with lacquer thinner or alcohol as these solvents will not warp the veneer and will dry very quickly. Something to remember... You can save the mixtures of dye in mason jars or any other solvent proof container if you want to use the same color again.
simplified the process so that most of these operations could be performed mechanically in a cabinet the size of a dispatch case. The microdots, or "pats," as T.O.D. called them, were photographically fixed but were not developed; consequently, the image on them remained latent and the film itself clear. In this less obtrusive form they were pasted onto the gummed surface of envelopes, whose shininess camouflaged their own. The pats could show such fine detail because the aniline dye used as an emulsion would resolve images at the molecular level, whereas the silver compounds ordinarily used in photography resolve only down to the granular level. The microdots solved the problem of quantity flow of information for the Nazis. Professor Zapp's cabinets were shipped to agents in South America, and soon a flood of material was being sent to Germany disguised as hundreds of periods in telegraph blanks, love letters,
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