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  • The news about road salt is worse than we thought
    My column in the March 3 issue this year discusses how road salt is bad for our vehicles, highways, ecology, water supplies, and concrete structures such as parking garages. Since that column appeared, even more damning information about salt has reached me in a newsletter from Horton Inc
  • Understanding and Using the Computed Radiography of Bridge Welds
    by environmental exposure to salt. and moisture, which accelerate oxidation and can lead to section loss and possibly fatigue cracking in welds -. reducing the bridge weight rating. Fatigue cracking is a leading cause for steel fractures, accelerated by stress. factors such as heavy traffi c
  • Reference Electrodes
    (commonly KCl, saturated with AgCl) which is contained in either a glass or plastic body salt bridge, which terminates at the lquid junction. It is important that the internal element remain wet and surrounded by the reference electrolyte filling solution. This is why VL-PC ships all its reference
  • Corrosion Wear Behavior of Zirconium in Hot Sulfide Containing Electrolytes (.pdf)
    was used for a counter electrode; a Saturated Calomel Electrode (SCE). was used for the reference electrode. The working electrode was the test specimen. All electrochemical. testing was conducted at 85°C in a non-deaerated, static solution. A Lugan probe salt bridge filled with. potassium chloride
  • Paint Absorbs Corrosion-Causing Chemicals, Kitty-Litter Style
    ingredient, and water that contains salt, or sodium chloride, is particularly corrosive. When paint cracks or wears off, a chemical reaction with the chloride eats away the exposed metal -- a serious problem for critical structures on vehicles or bridges. To fight corrosion, the new pigment absorbs chloride
  • Supercapacitors Using n and p-Type Conductive Polymers Exhibiting Metallic Conductivity
    and redox activity. Typically, soluble PANI is produced as the salt of dinonylnaphthalene sulfonic acid (DNNSA, Figure 1) and cast as a thin film. The PANI-DNNSA film is further treated with secondary dopants such as thymol, p-toluene sulfonic acid (PTSA) and p-toluenesulfonamide (TSAm) to achieve near
  • Thermal Denaturation of Hen-Egg Lysozyme with Concurrent CD and Fluorescence Detection
    Studies on the mechanisms of protein folding are currently focusing on the role of partially folded states. A number of biologically and functionally important proteins have marginal stability in solution, and are easily denatured in high stress situations (e.g., extreme salt concentration, high
  • Tin Vs. Bare
    as in the case of salt water. Sodium accelerates the chemical reaction that forms the destructive oxide compound. As more of these atoms combine they weaken the integrity of the original metal making it brittle and crumbly, a process commonly known as corrosion. Some pieces of metal are thick enough

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