LaMotte WATER SAMPLING BOTTLE FOR DISSOLVED OXYGEN 3103 - Manual (Page 3)

B. COL LECT ING A DIS SOLVED OX Y GEN WA TER SAM PLE
The dissolved Oxygen Test is made with reagents furnished in the
LaMotte Dissolved Oxygen Kit, Model EDO, Code 7414.
*WARNING: Reagents marked with an * are considered to be potential
health hazards. To view or print a Material Safety Data Sheet (MSDS) for
these reagents go to www.lamotte.com. To obtain a printed copy, contact
LaMotte by e-mail, phone or fax.
1.
Follow steps 1-8 in Part A.
2. Remove the collecting bottle from the inner chamber.
3. To the sample, add 8 drops of *Manganous Sulfate Solution (4167)
and 8 drops of *Alkaline Potassium Iodide Azide (7186).
4. Cap the bottle and gently mix by inverting.
5. Allow the collecting bottle to stand undisturbed until the precipitate
settles into the bottom half of the collecting bottle.6.
6. Use a l.0 g spoon (0697) to add one measure of Sulfamic Acid Powder
(6286). Cap the collecting bottle and mix until the precipitate is
completely dissolved.