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  • Guide to Minimizing User Errors in pH Measurements
    Over one hundred different compositions available from many different manufacturers None exhibit completely linear pH response in overall pH range specified Maximum available pH range: -2 to 16 pH in aqueous solutions Optimum, linear pH range: typically 2 pH units less specified minimum and maximum
  • Application Note - New USEPA Rules for Drinking Water - A Compliance Strategy (.pdf)
    be taken of the source water and the distributed water after flocculation/softening. The TOC removal requirements are based both on the TOC concentration and the alkalinity of the raw water and adjusted for alkalinity because the optimum pH for TOC removal is often below 6.0. Thus, high alkalinity
  • Application of Pick-and-Hold Modules
    Geeplus's Pick & Hold Modules are designed to work with a wide range of different solenoids, and over a wide range of operating voltage. We recommend the use of a high source voltage to minimise electrical time constant, but modules will work down to 20v supply. Control inputs are opto-isolated so
  • The conversion
    and Kraft linerboard (KLB) on their three-ply KLB machine. The sizing philosophy on the machine has followed the traditional route of acid sizing. Sizing has been achieved with alum and a rosin emulsion size in the pH range of 4.5 to 5.0. There have been periods of excessive size usage and pH swings
  • The conversion of a kraft linerboard machine
    the traditional route of acid sizing. Sizing has been achieved with alum and a rosin emulsion size in the pH range of 4.5 to 5.0. There have been periods of excessive size usage and pH swings with many of these relating to the white top liner makings. It has long been known that paper and board produced
  • What to Expect at Interphex 2007
    By Heidi Parsons, Managing Editor In this one booth, a variety of General Electric companies will offer a wide range of products and services. These include: analytical instrumentation; laboratory instruments and supplies; economic development and software services for business; pharmaceutical
  • Sustainable Engineering
    a 17-4 PH hermetically sealed stainless metalinjection- molded housing and uses a sense element based on TiON (Titanium OxyNitride) thinfilm technology capable of withstanding high ( -40 to 180 C) media temperatures. Operating pressure range is 0 to 150 bar with a proof pressure of 210 bar
  • Advanced Oxidation Ditch Performance (.pdf)
    , nitrification, and de-nitrification can be accomplished within a single reactor, the process can produce a high quality effluent. Obviously, it is important to adequately mix the wastewater with the biomass in the ditch to ensure effective pollutant removal. Mixing is promoted by ensuring

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