Fluka and Supelco

pH Buffers available in VOLPAC containers (5 and 10 L)

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33643 Buffer solution pH 4.0 (20 °C) with fungicide, citric acid / sodium hydroxide / sodium chloride solution, traceable to SRM from NIST
    • 33665 Buffer solution pH 4.0 (20 °C) red colored, citric acid / sodium hydroxide / sodium chloride solution, with fungicide
    • 33646 Buffer solution pH 7.0 (20 °C) potassium dihydrogen phosphate / disodium hydrogen phosphate, with fungicide, traceable to SRM from NIST
    • 33666 Buffer solution pH 7.0 (20 °C) green colored, potassium dihydrogen phosphate / disodium hydrogen phosphate, with fungicide
    • 33648 Buffer solution pH 9.0 (20 °C) borax / hydrochloric acid, traceable to SRM from NIST
    • 33667 Buffer solution pH 9.0 (20 °C) blue colored, borax / hydrochloric acid
    • 33668 Buffer solution pH 10.0 (20°C) violet colored, borax / sodium hydroxide