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Water Chemicals Codex (1982) / Chapter Skim
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Sodium Polyphosphate, Glassy
Pages 51-52

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From page 51...
... Use: Used as metal corrosion inhibitor and sequestrant to avoid iron, copper and manganese discoloration. Threshold scale inhibitor and water softener.
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From page 52...
... Gently heat the solution to reduce the volume below 100 ml, making certain that it does not boil. Quantitatively transfer to a 100-ml acid-washed volumetric flask and make to volume with deionized distilled water.
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Key Terms

  • distilled water
  • deionized distilled
  • sodium tripolyphosphate
  • metal corrosion
  • threshold scale

  • glassy sodium
  • beaker dissolve
  • polyphosphate solution
  • manganese discoloration
  • health association

  • values based
  • avoid iron
  • corrosion inhibitor
  • quantitatively transfer
  • volumetric flask

  • available grades
  • bulk sample
  • maximum dosage
  • american water
  • necessitate rmic

  • scale inhibitor
  • water softener
  • rmic values
  • standard methods
  • volume below

  • slight salty
  • following protocol
  • salty taste
  • extremely soluble
  • reagent blank


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