LaMotte 7304 User Manual
AL KA LIN ITY & CHLO RIDE TEST KIT
CODE 7304
QUANTITY CONTENTS CODE
15 mL *Phenolphthalein Indicator, 1% *2246-E
15 mL *Methyl Orange Indicator
w/Halidex, 0.1%
60 mL *Alkalinity Titration Reagent *6404-H
15 mL *Chloride Reagent 1 *4504-E
60 mL *Chloride Reagent 2 *4505PS-H
1 Test Tube, 2.5-5-10-15-20 mL,
glass, w/cap
1 Test Tube, Chloride, w/cap 4506
1 Pipet, dropping, plastic 0352
1 Pipet, plain, plastic, w/cap 0392
1 Pipet, plain, glass, w/cap 0344
*WARNING: Reagents marked with a * are considered hazardous
substances. Material Safety Data Sheets (MSDS) are supplied for these
reagents. For your safety read label and accompanying MSDS before using.
To order individual reagents or test kit components, use the specified code
number.
*2299-E
0970-S
AL KA LIN ITY
1. Fill the test tube (0970-S) to the 10 mL line with sample water.
2. Add one drop of *Phenolphthalein Indicator, 1% (2246). If
P Alkalinity is present, a red color will develop.
3. Use the plastic pipet with screw cap (0357) to add the *Alkalinity
Titration Reagent (6404), one drop at a time, until the red color
disappears. Swirl after each drop and count the number of drops
added.
P Alkalinity, ppm CaCO3 = 125 x Number of Drops
4. To the sample from Step 3, add one drop of *Methyl Orange
Indicator w/Halidex, 0.1% (2299).
5. Add *Alkalinity Titration Reagent (6404), one drop at a time,
until the solution changes from yellow to pink. Count the drops.
M (Total) Alkalinity =
125 x Number of drops from Steps 3 and 5
CHLO RIDE - LOW RANGE
1. Fill the Chloride test tube (4506) to the 15 ppm line with sample
water.
2. Add 3 drops of *Chloride Reagent 1 (4504). Mix.
3. Use the glass pipet with screw cap (0344) to add *Chloride
Reagent 2 (4505PS), one drop at a time, until the solution changes
from yellow to brown. Count the drops and swirl after each drop.
Chloride, ppm = 15 x Number of Drops
Chloride, gpg = 0.9 x Number of Drops
CHLO RIDE - HIGH RANGE
1. Use the plastic dropping pipet (0352) to add exactly 5 drops of the
sample water to the Chloride test tube. Carefully fill the tube to the
15 ppm line with deionized or chloride free tap water. Mix.
2. Run steps 2 and 3 above.
Chloride, ppm = 900 x Number of Drops
Chloride, gpg = 54 x Number of Drops
LaMOTTE COM PANY
Helping People Solve Analytical Challenges
PO Box 329 · Chestertown · Mary land · 21620 · USA
800-344-3100 · 410-778-3100 (Out side U.S.A.) · Fax 410-778-6394
Visit us on the web at www.lamotte.com
SM
12/01
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