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  2. Sigma-Aldrich - Wikipedia

    en.wikipedia.org/wiki/Sigma-Aldrich

    Aldrich's chemicals catalog, the "Aldrich Catalog and Handbook" is often used as a handbook due to the inclusion of structures, physical data, and literature references. The Sigma Logo. Sigma is the Sigma-Aldrich's main biochemical supplier, with offerings including antibiotics , buffers , carbohydrates , enzymes , forensic tools , hematology ...

  3. Aldrichimica Acta - Wikipedia

    en.wikipedia.org/wiki/Aldrichimica_Acta

    Aldrichimica Acta is a scientific journal published by Sigma-Aldrich. Established in 1968 in Milwaukee, Wi, Aldrichimica Acta publishes reviews in the field of synthetic organic chemistry, with each issue focusing on a special topic. The journal is open access. In 2015, the Acta was ranked #1 among journals in the field of organic chemistry by ...

  4. Diethylaminoethyl cellulose - Wikipedia

    en.wikipedia.org/wiki/Diethylaminoethyl_cellulose

    Cellulose, dextran, agarose, and other insoluble complexes are unaffected because they compose inert matrices, hence why they are so often derivatized with strong and weak cation and anion exchangers in chromatography. DEAE-C beads have diethylaminoethyl chains covalently bound to oxygen atoms on the D-glucose subunits of cellulose.

  5. Molecular sieve - Wikipedia

    en.wikipedia.org/wiki/Molecular_sieve

    They are also used in the filtration of air supplies for breathing apparatus, for example those used by scuba divers and firefighters. In such applications, air is supplied by an air compressor and is passed through a cartridge filter which, depending on the application, is filled with molecular sieve and/or activated carbon , finally being ...

  6. Natural rubber - Wikipedia

    en.wikipedia.org/wiki/Natural_rubber

    The collected latex, "field latex", is transferred into coagulation tanks for the preparation of dry rubber or transferred into air-tight containers with sieving for ammoniation. Ammoniation, invented by patent lawyer and vice-president of the United States Rubber Company Ernest Hopkinson around 1920, preserves the latex in a colloidal state ...

  7. Foam latex - Wikipedia

    en.wikipedia.org/wiki/Foam_latex

    To create foam latex, a liquid latex base is mixed with various additives and whipped into a foam, then poured or injected into a mold and baked in an oven to cure.The main components of foam latex are the latex base, a foaming agent (to help it whip into a froth), a gelling agent (to convert the liquid foam into a gel), and a curing agent (to turn the gelled foam latex into a solid when baked).

  8. Textile printing - Wikipedia

    en.wikipedia.org/wiki/Textile_printing

    As a method of printing on cloth, the earliest surviving examples from China date to before 220 CE/AD. [citation needed] Textile printing was known in Europe, via the Islamic world, from about the 12th century, and was widely used. However, the European dyes tended to liquify, which restricted the use of printed patterns.

  9. Discharge printing - Wikipedia

    en.wikipedia.org/wiki/Discharge_printing

    Printing is the process of adding localized or patterned color to fabrics. [2] Discharge printing involves dyeing first with dischargeable dyes; subsequently, the dyed fabric undergoes a printing process involving the application of a chemical-infused paste that effectively removes the color imparted by the dye.

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