GFS Chemicals

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  • Indicator Sticks, pH 0-14

    GFS Chemicals

    Box of 100 sticks, 6 x 85 mm with color scale. Graduated in full units from pH 0 - 14.

  • Indicator Sticks, pH 7-14

    GFS Chemicals

    Box of 100 sticks, 6 x 85 mm with color scale. Graduated in half units from pH 7.0 - 14.0.

  • Bipyridine Indicator Paper

    GFS Chemicals

    Impregnated with 2,2'-bipyridine, the paper reacts with ferrous iron [Fe(II)] ions giving a deep red very stable complex cation. Sensitivity - 2 mg/l Fe(II). 20 x 70 mm strips, 200 per box.

  • Indicator Sticks, pH 0-6

    GFS Chemicals

    Box of 100 sticks, 6 x 85 mm with color scale. Graduated in half units from pH 0 - 6.0.

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