Laboratory Reagent Water

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Laboratory Reagent Water

• Levels of water Purity
• Method of Purifying Water
• Storage of water

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Levels of water purity

• Type I Enzyme ,Electrolyte determination ,
  preparation of calibrator and reference material
• Type II General laboratory testing not
  requiring Type I
• Type III glassware Washing, Qualitative
  procedure

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Method of Purifying Water

• Distillation
• Deionization
• Reverse osmosis

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Storage of water

• Type I must be used immediately after production
• Type II and Type III in polyethylene or
  borosilicate bottle, tightly stoppered

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Centrifuge

• Horizontal head or swinging -bucket
• Angle head rotor
• Axial separation
• Ultracentrifuge

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Quality control

• Speed Every 3 month /_ 5
• Timer Weekly /_ 10
• Temperature 2 C

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Stray light

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?????? ?????? ???? ????? Stray light

• ??????? ?? ???????? cut off
• ??????? ?? ????? ???? ??? ???? ?????? ?? ???? 50
  ???? ??? ?? ???? ?? 385-300 ??????? ?? ???? ??
  320-250 ??????? ?? ?? ????? ?? ???? ???? ??? ????
  ???? ?? 1 ????

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Thank you for your attention