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  1. MBWijngaarden

    ZeCor Material

    Does anybody know the material ZeCor (and all its forms like ZeCor-Z, ZeCor-310M(T) etc)? I would like to know what the corrosion resistance is in hot (200 dCelcius) sulfuric acid (93 - 98%). They say it has a good resistance, but in compare to what? 904L?? Thanks in advance. Mark
  2. MBWijngaarden

    Reaction of Hydrazinium/Ammoniahydroxide

    I've got a problem with calculating the concentration of hydraziniumreactionproduct. The reaction is: N2H5+ + 2H2O -> 2NH3OH+ + H+ (+ 2e-) The known concentration of hydrazinium is 1.83x10^-4 mol/l. Other process parameters are: ambient temperature (20 degrees) and atmospheric pressure. I hope...
  3. MBWijngaarden

    Corrosion comparison Gas-liquid

    I would like to know the difference in corrosivity e.q. what is more corrosive. Gas or liquid H2SO4 of high percentage (between 94 and 98 %) and operating at 50 degree celcius with a maximum of 140 degree celcius. I would like to use this information to place a sample of some metal in the tank...

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