Taylor Technologies K-1805 Owner's manual

Brand: Taylor Technologies

Model: K-1805

Type: Owner's manual

DROP TEST

MOLYBDENUM (1 drop = 2, 5, 20, or 50 ppm)

COMPONENTS:

2 x 4030 Pipets, Calibrated 0.5 & 1.0 mL, plastic w/cap

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

1 x 5375 Instruction

2 x 9198 Sample Tubes, Graduated, 25 mL, plastic w/cap

1 x R-0887 Molybdenum Standard 20 ppm

1 x R-0890 Molybdenum Buffer Solution

1 x R-0891 Molybdenum Indicator Solution

1 x R-0892 Molybdenum Titrating Solution, DB

TO ORDER REPLACEMENT PARTS & REAGENTS CALL TOLL-FREE 800-837-8548.

PROCEDURE:

CAREFULLY READ AND FOLLOW PRECAUTIONS ON REAGENT LABELS.

KEEP REAGENTS AWAY FROM CHILDREN.

For 1 drop = 2 or 5 ppm Mo

1.Rinseandll25mLsampletube(#9198)tomarkwithwatertobetested.

NOTE: For1drop=2ppm,llto25mLmark.

 For1drop=5ppm,llto10mLmark.

2.Rinse and ll second 25 mL sample tube to same mark with distilled, deionized, or

molybdenum-freetapwater.

3.For25mLsample,usingseparate1.0mLpipets(#4030),add1.0mLR-0890Molybdenum

BufferSolutionand1.0mLR-0891MolybdenumIndicatorSolutiontoeach25mLsample

tube.For10mLsample,add0.5mLofeachreagenttoeachsampletube.Swirltomix.

4.Add R-0892 Molybdenum Titrating Solution, dropwise,swirlingandcountingaftereach

drop,to25mLsampletubecontainingmolybdenum,untilcolormatches25mLsampletube

containingnomolybdenum,oruntilnofurtherchangeincoloroccurs.Alwaysholdbottlein

verticalposition.

5.For25mLsample,multiplydropsofR-0892MolybdenumTitratingSolutionby2.Record

as parts per million (ppm) molybdenum. For 10 mL sample, multiply drops of R-0892

MolybdenumTitratingSolutionby5.Recordasppmmolybdenum.

 31LovetonCircle,Sparks,MD21152U.S.A.

 800-TESTKIT(837-8548) • 410-472-4340 8/00

NOTE: Toconvertmolybdenum(Mo)readingstomolybdate(MoO

),multiplyMoreadings

by1.7;toconverttosodiummolybdatedihydrate(Na

MoO

O),multiplyby2.52.

For 1 drop = 20 or 50 ppm Mo

1.Rinseandllone25mLsampletube(#9198)to25mLmarkwithdistilled,deionized,or

molybdenum-freetapwater.

2.Usinga3mLpipet(#4078),placewatertobetestedinsecond25mLsampletube.

NOTE: For1drop=20ppm,llpipetto2.5mLmark.

 For1drop=50ppm,llpipetto1.0mLmark.

3.Diluteto25mLmarkwithdistilled,deionized,ormolybdenum-freetapwater.

4.Usingseparate1.0mLpipets(#4030),add1.0mLR-0890MolybdenumBufferSolutionand

1.0mLR-0891MolybdenumIndicatorSolutiontoeach25mLsampletube.Swirltomix.

5.AddR-0892MolybdenumTitratingSolutiondropwise,swirlingandcountingaftereachdrop,

to25mL sampletube containingmolybdenum,until colormatches 25mLsample tube

containingnomolybdenumoruntilnofurtherchangeincoloroccurs.Alwaysholdbottlein

verticalposition.

6.For2.5mLsample,multiplydropsofR-0892MolybdenumTitratingSolutionby20.Record

as parts per million (ppm) molybdenum. For 1.0 mL sample, multiply drops of R-0892

MolybdenumTitratingSolutionby50.Recordasppmmolybdenum.

NOTE: Toconvertmolybdenum(Mo)readingstomolybdate(MoO

),multiplyMoreadings

by1.7;toconverttosodiummolybdatedihydrate(Na

MoO

O),multiplyby2.52.

NOTE: R-0891MolybdenumIndicatorSolutionhasalimitedshelf-life.Occasionallycheck

indicator performance by following procedure for 1 drop = 2 ppm using R-0887

Molybdenum Standard 20 ppm as the sample. Titration should require 10 drops

toendpoint.(An alternate kit, K-1805P,isavailable, which replacesR-0891 witha

stable,two-partreagentsystem.)

Instr. #5375

Taylor Technologies K-1805 Owner's manual

Taylor Technologies K-1805 Owner's manual

Taylor Technologies K-1805 Owner's manual

Related papers

Other documents