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[226] Albastru acid de crom 2K

Date: September 2nd, 2007 | Comments : none | Categories: Colorants.
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Albastru acid de crom 2K
~~~~~~~~~~~~~~~~~~~~~~~~
Vopseste lina in portocaliu, iar dupa cromare in albastru:
                OH            OH    NHCOCH3
                |             |     |
              /   \\ -N = N- // \\  /   \\
             |     |       |    ||     |
             |     |       |    ||     |
              \\   /       / \\\\ /  \\  // \\
                |     HO3S               SO3H
                Cl

 

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