BOD Bottle Cleaning

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[edit] Introduction

There are a number of different ways to clean BOD bottles. The following protocol will generally result in clean BOD bottles.

[edit] Instructions

  1. Empty the sample solution from the BOD bottle after use.
  2. Brush using a dilute soapy solution and a BOD bottle brush, scrub the BOD bottle clean.
  3. Rinse with tap water until the water is no longer soapy.
  4. Add approximately 5 mL of 50:50 Sulfuric acid to the bottle.
  5. Rinse thoroughly 3 times with tap water.
  6. Rinse a final 3 times with DI water.
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