Lamotte Dissolved Oxygen Water Quality Test Kit Manuel d'utilisateur

DissolvedOxygenWater Quality Test KitInstruction ManualCode 5860-01DissolvedOxygen

10DISSOLVED OXYGENCODE 5860-01QUANTITY CONTENTS CODE30 mL *Manganous Sulfate Solution *4167-G30 mL *Alkaline Potassium Iodide Azide *7166-G30 mL *Sulf

11DISSOLVED OXYGEN TEST PROCEDUREPart 1 - Collecting the Water SampleRinse the Water Sampling Bottle (0688-DO) with the sample water.Tightly cap the b

12DISSOLVED OXYGEN TEST PROCEDUREPart 2 - Adding the ReagentsNOTE: Be careful not to introduce air into the sample while adding the reagents.Remove t

13DISSOLVED OXYGEN TEST PROCEDUREPart 3 - The Titration00.10.20.30.40.50.60.70.80.91.000.10.20.30.40.50.60.70.80.91.000.10.20.30.40.50.60.70.80.91.000

14DISSOLVED OXYGEN TEST PROCEDURE continued ...Insert the tip of the Titraror into the opening of the titration tube cap.Slowly depress the plunger

15aAtmospheric Pressure (mmHg) Equivalent Altitude (ft) Correction Factor 775 540 1.02 760 0 1.00745 542 0.98 730 1094 0.96714 1688 0.94699 2274 0.9

16BOD1212Collect two samples according to Part 1 – Collecting the Water Sample.Test one sample immediately by following the procedures in Part 2 – Add

17EPA COMPLIANCETo qualify as an EPA accepted test, and to achieve the greatest accuracy, the Sodium Thiosulfate Solution, 0.025N (4169) must be stand

18EPA COMPLIANCE continued ...Read the test result directly from the scale where the large ring on the Titrator meets the Titrator barrel. Include th

a

Introduction ... 3Dissolved Oxygen ...

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3INTRODUCTIONAquatic animals need dissolved oxygen to live. Fish, invertebrates, plants, and aerobic bacteria all require oxygen for respiration. Oxyg

4DISSOLVED OXYGEN, PERCENT SATURATION & BODOxygen is critical to the survival of aquatic plants and animals, and a shortage of dissolved oxygen is

5WHERE DOES THE OXYGEN GO? Once in the water, oxygen is used by the aquatic life. Fish and other

6MEASURING BOD (BIOCHEMICAL OXYGEN DEMAND) Biochemical oxygen demand is determined by measuring the dissolved oxygen concentrat

7Simultaneously, iodine from the potassium iodide in the Alkaline Potassium Iodide Azide Solution is oxidized by manganic sulfate, releasing free iodi

8 GENERAL SAFETY PRECAUTIONSInstructionManualMaterialSafetyData SheetStore the test kit in a cool dry area.Read all instructions and note precautions

9Use test tube caps or stoppers, not yourfi ngers, to cover tubes during shaking or mixing. Hold dropper bottles vertically upside-down, and no