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Water Chemicals Codex (1982) / Chapter Skim
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Calcium Hydroxide, Slaked Lime
Pages 15-17

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From page 15...
... If the actual dosage is other than 650 mg/liter, the user is cautioned to consult Table 2 for appropriate RMIC values. Impurity Arsenic Cadmium Chromium Fluoride Lead Selenium Silver RMIC mg Impurity/kg Calcium Hydroxide 10 2 10 *
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From page 16...
... Mix paste thoroughly to include all pulverized sample. When a smooth paste is obtained, remove beaker from hot plate and slowly add 50 ml of 80°C deionized distilled water while stirring.
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From page 17...
... Determine fluoride in the distillate. Sample Analyses: The analyses are to be performed on the calcium hydroxide solution in accordance with: Standard Methods for the Examination of Water and Wastewater, 15th Edition, American Public Health Association, Washington, D.C.
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Key Terms

  • distilled water
  • deionized distilled
  • pulverized sample
  • moistureproof glass
  • rmic values

  • selenium silver
  • arsenic cadmium
  • silver rmic
  • lead selenium
  • dilution solution

  • smooth paste
  • health association
  • slowly add
  • mix paste
  • appropriate rmic

  • volumetric flask
  • cadmium fluoride
  • mix pulverized
  • silver section
  • remove beaker

  • paste thoroughly
  • consult table
  • fluoride selenium
  • distilling flask
  • cadmium chromium

  • procedures described
  • analytical sample
  • hydroxide slowly
  • actual dosage
  • nearest milligram


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