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  1. wiggs

    Corrosion Rates for Metals

    Any of the industrial chemical cleaning companies should have this information available.
  2. wiggs

    Chilled Water System Chemistry

    Corrosion coupons are a good indicator of system protection if: Coupons are representative of the system. (This sounds like a no brainer but mistakes do happen.) Coupons have been prepared properly. They must be kept clean and not handled before insertion. Body oils can provide a protective...
  3. wiggs

    Cation regeneration- H2SO4 or HCl

    We have used HCl to regenerate when H2SO4 caused CaSO4 fouling.
  4. wiggs

    What is normal solids conc in the discharge of a Hot lime softener?

    A properly operated hot lime softener should have relatively low solids in the effluent, the key words here being "properly operated". These units are susceptible to chemistry and temperature upsets which could lead to a great deal of solids carryover. The manufacturer of the...
  5. wiggs

    Passivating Solutions for Stainless Steel

    A simple colorimetric test is probably the best way to go. Visual comparator type test kits and reagents are available from several sources, Hach Chemical (not an endorsement) being one.
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