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Taylor Technologies K-1531 Owner's manual

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COMPONENTS:
1 x 4029 Pipet, Calibrated (0.5 & 1.0 mL), plastic
1 x 5087 Instruction
1 x 9198G Sample Tube, Graduated (25 mL) w/ cap & green dot, plastic
1 x R-0638G-C Phenolphthalein Indicator, 2 oz w/ green cap, DB
1 x R-0691-C Sulfuric Acid Reagent, 2 oz, 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.
NOTE: When dispensing reagents from dropper bottles, always hold bottle in a
vertical position.
For 1 drop = 0.1% Sodium Hydroxide
1.Rinseandll25mLsampletube(#9198G)to10mLmarkwithwatertobetested.
2.Add2dropsR-0638GPhenolphthaleinIndicator.Swirltomix.Samplewillturn
pinkifcausticsodaalkalinityispresent(Fig.1).
3.AddR-0691SulfuricAcidReagentdropwise,swirlingandcountingaftereach
drop,untilcolorjustchangesfrompinktocolorless.
4.MultiplydropsofR-0691SulfuricAcidReagentby 0.1. Recordasgramsper
100mL(g/100mL)causticsodaalkalinity(sodiumhydroxide).
NOTE: Atlowlevels,gramsper100mLcanberegardedaspercent,butnotat
higherlevelsduetotheincreaseindensityofthesolution.
DROP TEST
CAUSTIC SODA ALKALINITY (NaOH) (1 drop = 0.1% or 1%)
For 1 drop = 1% Sodium Hydroxide
1.Using1.0mLpipet(#4029),add1.0mLwatertobetestedtoclean25mLsample
tube(#9198G).Diluteto10mLwithtapwater.
2.Add2dropsR-0638GPhenolphthaleinIndicator.Swirltomix.Samplewillturn
pinkifcausticsodaalkalinityispresent(Fig.1).
3.AddR-0691SulfuricAcidReagentdropwise,swirlingandcountingaftereach
drop,untilcolorjustchangesfrompinktocolorless.
4.RecorddropsofR-0691SulfuricAcidReagentasgramsper100mL(g/100mL)
causticsodaalkalinity(sodiumhydroxide).
NOTE: Atlowlevels,gramsper100mLcanberegardedaspercent,butnotat
higherlevelsduetotheincreaseindensityofthesolution.Thefollowing
tablecan be usedtomakean approximateconversionfromgramsper
100mLtopercent.
g/100 mL NaOH %
10 9.4
20 16.9
30 25.8
40 30.1
50 36.0
60 41.5
70 46.8
75 49.4
Fig. 1
Instr. #5087
31LovetonCircle,Sparks,MD21152U.S.A.
800-TESTKIT(837-8548)•410-472-4340 9/16
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