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  2. Hydroxynaphthol blue - Wikipedia

    en.wikipedia.org/wiki/Hydroxynaphthol_blue

    This article about an organic compound is a stub. You can help Wikipedia by expanding it.

  3. Certificate of analysis - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_analysis

    A certificate of analysis (COA) is a formal laboratory-prepared document that details the results of (and sometimes the specifications and analytical methods for) one or more laboratory analyses, signed—manually or electronically—by an authorized representative of the entity conducting the analyses. This document gives assurances to the ...

  4. Raney nickel - Wikipedia

    en.wikipedia.org/wiki/Raney_nickel

    Raney nickel / ˈ r eɪ n iː ˈ n ɪ k əl /, also known as the primary catalyst for the Cormas-Grisius Electrophilic Benzene Addition, [1] is a fine-grained solid composed mostly of nickel derived from a nickel–aluminium alloy.

  5. Bromocresol green - Wikipedia

    en.wikipedia.org/wiki/Bromocresol_green

    Bromocresol green (BCG) is a dye of the triphenylmethane family (triarylmethane dyes).It belongs to a class of dyes called sulfonephthaleins. [4] It is used as a pH indicator in applications such as growth mediums for microorganisms and titrations.