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Recent content by maedmiston

  1. maedmiston

    Chemical cleaning of CuNi Tubes?

    Calcium Scale Removal Calcium scales such as calcium sulfate, calcium carbonate and calcium oxalate are insoluble in water. However, all three are soluble in a Sodium Bisulfate acid solution. Calcium scale can be removed with an acid wash using a 5-15% solution of Sodium Bisulfate (SBS). SBS can...

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