InstructionNumber:5791
Component Description
> DROPTEST
> SODIUMCHLORIDE(SALTWATER)(1drop=200or800ppm)
COMPONENTS:
1x4078 Pipet,Graduated,3mL(0.5mLdiv.),
plastic
1x5791 Instruction
1x9198 SampleTube,Graduated,25mL,plastic
w/cap
1xR‐0630ChromateIndicator,DB
1xR‐0706SilverNitrateReagent,DB
TOORDERREPLACEMENTPARTSANDREAGENTSCALLTOLL‐FREE
800‐TESTKIT(800‐837‐8548).
PROCEDURE:
CAREFULLYREADANDFOLLOWPRECAUTIONSONREAGENTLABELS.
KEEPREAGENTSAWAYFROMCHILDREN.
For1drop=200ppmSodiumChloride
1. Usinga3mLpipet(#4078),add2mLofwatertobe
testedto25mLsampletube(#9198).Diluteto10mL
markwithdistilled,deionized,ortapwater.
2. Add1dropR‐0630ChromateIndicator.Swirlto
mix. Sampleshouldturnyellow.
3. AddR‐0706SilverNitrateReagentdropwise,
swirlingandcountingaftereachdrop,untilcolor
changesfromyellowtoamilkysalmon(brick)red.
Alwaysholdbottleinverticalposition.
NOTE:DONOTaddenoughR‐0706SilverNitrateReagent
togiveabrowncolor.Firstchangefromyellow
toamilkysalmon(brick)redistheendpoint.
4. MultiplydropsofR‐0706SilverNitrateReagentby
200. Recordaspartspermillion(ppm)saltas
sodiumchloride.
For1drop=800ppmSodiumChloride
1. Usinga3mLpipet(#4078),add0.5mLofwatertobe
testedto25mLsampletube(#9198).Diluteto10mL
markwithdistilled,deionized,ortapwater.
2. Add1dropR‐0630ChromateIndicator.Swirltomix.
Sampleshouldturnyellow.
3. AddR‐0706SilverNitrateReagentdropwise,swirlingand
countingaftereachdrop,untilcolorchangesfromyellow
toamilkysalmon(brick)red.Alwaysholdbottlein
verticalposition.
NOTE:DONOTaddenoughR‐0706SilverNitrateReagenttogive
abrowncolor.Firstchangefromyellowtoredisthe
endpoint.
4. MultiplydropsofR‐0706SilverNitrateReagentby800.
Recordaspartspermillion(ppm)saltassodiumchloride.