Taylor Technologies K-1443 Owner's manual

InstructionNumber:5312

Component Description

> DROPTEST

> HYDROGENPEROXIDE(1drop=0.5or1%)

COMPONENTS:

1x4026 Dipper,2g,plastic

1x4029 Pipet,Calibrated0.5&1.0mL,plastic

1x4078 Pipet,Graduated,3mL(0.5mLdiv.),

plastic

1x5312 Instruction

2x9198 SampleTubes,Graduated,25mL,plastic

w/cap

1xR‐0601MolybdateReagent,DB

1xR‐0729SulfuricAcid50%*,DB

1xR‐0765PotassiumIodideCrystals

1xR‐0885ThiosulfateReagent,DB

TOORDERREPLACEMENTPARTSANDREAGENTSCALLTOLL‐FREE

800‐TESTKIT(800‐837‐8548).

PROCEDURE:

CAREFULLYREADANDFOLLOWPRECAUTIONSONREAGENT

LABELS.KEEPREAGENTSAWAYFROMCHILDREN.

1drop=0.5%HydrogenPeroxide

1. Usinga3mLpipet(#4078),add2mLwatertobe

testedto25mLsampletube(#9198).Diluteto25

mLmarkwithdistilled,deionized,orhydrogen

peroxide‐freewater.Swirltomix.

2. Usinga2gdipper(#4026),add1dipperR‐0765

PotassiumIodideCrystalstosecond25mLsample

tube.Diluteto10mLmarkwithdistilled,

deionized,orhydrogenperoxide‐freewater.Swirl

untildissolved.

3. Add10dropsR‐0729SulfuricAcid50%*tosecond25

mLsampletube.Swirltomix.

CAUTION:R‐0729SulfuricAcid50%isastrongacid.

Handlecarefully.

4. Usinga1.0mLpipet(#4029),transfer1.0mLfrom

first25mLsampletubetosecond25mLsample

tube.

5. Add10dropsR‐0601MolybdateReagent.Swirlto

mix. Samplewillturnyellow(yellow‐orange)if

hydrogenperoxideispresent.

6. AddR‐0885ThiosulfateReagentdropwise,swirling

andcountingaftereachdrop,untilcolorchanges

fromyellow(yellow‐orange)tocolorless.Always

holdbottleinverticalposition.

7. MultiplydropsofR‐0885ThiosulfateReagentby

0.5.Recordaspercent(%)hydrogenperoxide.

1drop=1%HydrogenPeroxide

1. Usinga3mLpipet(#4078),add1mLwatertobe