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committal    音標拼音: [kəm'ɪtəl]


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  • Formaldehyde - Wikipedia
    A saturated water solution, of about 40% formaldehyde by volume or 37% by mass, is called "100% formalin" A small amount of stabilizer, such as methanol, is usually added to suppress oxidation and polymerization
  • What is Formalin? (with pictures) - AllTheScience
    In histology and related disciplines, formalin is widely used for preserving tissue samples, a process known as fixing The compound links protein molecules together, increasing the rigidity of the sample and making it easier to prepare thin slices for microscopic examination
  • CDC - NIOSH Pocket Guide to Chemical Hazards - Formalin (as formaldehyde)
    Formaldehyde solution [Note: Formalin is an aqueous solution that is 37% formaldehyde by weight; inhibited solutions usually contain 6-12% methyl alcohol Also see specific listings for Formaldehyde and Methyl alcohol ]
  • Difference Between Formalin and Formaldehyde - Pediaa. Com
    Formalin is a saturated solution of formaldehyde gas in water It contains about 40% (by volume) or 37% (by weight) formaldehyde gas along with a small amount of stabilizer Here, the general stabilizer is 10-12% methanol, and it is useful to prevent the formaldehyde polymerization
  • Formalin: Structure, Uses Preparation Explained Simply - Vedantu
    Formalin is another name for formaldehyde Following a previous trade name, "formalin," "formaldehyde" was first used as a generic trademark in 1893 The simplest aldehyde is formaldehyde, which has the formula CH2O and is made up of hydrogen, carbon, and oxygen
  • Formaldehyde and Cancer Risk - American Cancer Society
    When dissolved in water it is called formalin, which is commonly used as an industrial disinfectant and as a preservative in funeral homes and medical labs It can also be used as a preservative in some products, such as antiseptics, medicines, and cosmetics
  • Facts About Formaldehyde | US EPA
    Formaldehyde is a chemical used widely by industry to manufacture building materials and numerous household products It is also a by-product of combustion and certain other natural processes
  • Formaldehyde | Preservative, Solution, Exposure | Britannica
    formaldehyde (HCHO), an organic compound, the simplest of the aldehydes, used in large amounts in a variety of chemical manufacturing processes It is produced principally by the vapour-phase oxidation of methanol and is commonly sold as formalin, a 37 percent aqueous solution
  • Formaldehyde, Formalin, Paraformaldehyde Safe Work Practices
    In its purest form, formaldehyde is a colorless, highly toxic and flammable gas with a strong pungent odor However, it is most commonly used as an aqueous solution called formalin, which typically also contains some methanol as a stabilizer
  • Formaldehyde: Toxicity, Everyday Exposure, Cancer Risk
    Formaldehyde is a gas found in many building materials and household products Even low levels of formaldehyde can cause irritation to the skin, eyes, nose, and throat To reduce exposure, avoid products with formaldehyde and do not smoke indoors Formaldehyde is a colorless, flammable gas at room temperature





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