SLIDE COMPARATOR TEST
SILICA (0-50, 0-250, or 0-500 ppm)
SLIDE:
9264 (0, 5, 10, 15, 20, 25, 30, 40, 50 ppm)
REAGENTS:
R-1305Q Silica Reagent #4
R-1305U Silica Reagent #3*
R-1306T Silica Reagent #1**
R-1306U Silica Reagent #2
APPARATUS:
1 x 4005 Cylinder, Graduated, 50 mL (1.0 mL div.), glass (or #4007, 100 mL)
5 x 4023 Test Tubes, Calibrated 5 mL, glass
1 x 4026 Dipper, plastic, large
3 x 4030 Pipets, Calibrated 0.5 & 1.0 mL, plastic w/cap
1 x 5320 Instruction
1 x 6002 Brush, Cell Cleaner
1 x 6021 Stopper, Test Tube, 5 mL
1 x 9190 Base, pH (for test tubes)
1 x 9198 Sample Tube, Graduated, 25 mL, plastic w/cap
OR
3 x 3267 Caps, Test Cell, 5 mL, square, plastic
1 x 4005 Cylinder, Graduated, 50 mL (1.0 mL div.), glass (or #4007, 100 mL)
3 x 4025 Test Cells, Calibrated 5 mL, plastic
1 x 4026 Dipper, plastic, large
3 x 4030 Pipets, Calibrated 0.5 & 1.0 mL, plastic w/cap
1 x 5320 Instruction
1 x 6002 Brush, Cell Cleaner
1 x 9189 Base, Enslow (for test cells)
1 x 9198 Sample Tube, Graduated, 25 mL, plastic w/cap
TO ORDER REPLACEMENT PARTS AND REAGENTS CALL TOLL-FREE 1-800-837-8548.
PROCEDURE:
CAREFULLY READ AND FOLLOW PRECAUTIONS ON REAGENT LABELS.
KEEP REAGENTS AWAY FROM CHILDREN.
For 0-50 ppm Silica
1.Rinseandlltwo5mLtesttubes(testcells)to5mLmarkwithwatertobetested.
2.Wipedryandplaceintwoholes(slots)adjacenttocenterhole(slot)ofcomparatorbase
(#9190 or #9189). Test cells (#4025) must be placed WITH FROSTED SIDE FACING
OPERATOR.
3.Rinseandll25mLsampletube(#9198)to25mLmarkwithwatertobetested.
4.Usinga1.0mLpipet(#4030),add1.0mLR-1306TSilicaReagent#1**.Swirltomix.
5.Usingaseparate1.0mLpipet,add1.0mLR-1306USilicaReagent#2.Swirltomix.WAIT
5MINUTES.
6.Usingaseparate1.0mLpipet,add1.0mLR-1305USilicaReagent#3*.Swirltomix.
7.Usingadipper(#4026),add1leveldipperR-1305QSilicaReagent#4.Swirluntildissolved.
Transfertothirdtesttube(testcell)to5mLmark.
8.Wipedryandplaceincenterhole(slot)ofcomparatorbase.WAIT1MINUTE.
9.PlaceSlideon comparator base.Match color incentertest tube (testcell)with a color
standard.TheSlideisinproperalignmentforacolormatchwhenawhitelineontheSlideis
directlyabovethewhitelineonthecomparatorbase.Recordaspartspermillion(ppm)silica.
For 0-250 ppm Silica
1.Rinseandllgraduatedcylinder(#4005or#4007)to10mLmarkwithwatertobetested.
2.Diluteto50mLmarkwithdistilled,deionized,orsilica-freewater.Pourbackandforthinto
25mLsampletube(#9198)tomix.Transfertosampletubeto25mLmark.
3.Rinseandlltwo5mLtesttubes(testcells)to5mLmarkwithremainingdilutedsample.
Instr. #5320
(OVER)