Lamotte 7240-01 P Alkalinity Drop Count Kit

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LaMotte 7240-01 P and T Alkalinity Test Kit

1 Drop - 10, 25 or 50 ppm as (CaCO3) Calcium Carbonate
Drop Count Kit
Measures P and T Alkalinity
Alkalinity Comparison Chart
LLI724001 Instructions
LLI724001 MSDS - 3 yr shelf life

7240-01 PROCEDURE

PHENOLPHTHALEIN (P) ALKALINITY

Rinse sample tube with sample water. Fill with desired sample size selected from table above.
Add *Phenolphthalein Indicator, 0.5% (2258) as follows:

25 mL sample 2 drops

10 mL sample 1 drop

5 mL sample 1 drop

Mix. Solution will turn pink if P alkalinity is present. If solution is colorless, P alkalinity is zero; proceed to Step 5.

While gently swirling tube, add *Sulfuric Acid, 0.12N (7748WT), one drop at a time, until pink color disappears. Count the number of drops added. Hold bottle vertically.
Multiply number of drops used in Step 3 as follows:

25 mL sample multiply by 10

10 mL sample multiply by 25

5 mL sample multiply by 50

Record as ppm P Alkalinity as CaCO3.

DO NOT DISCARD SAMPLE IF TESTING FOR TOTAL (T) ALKALINITY.

TOTAL (T) ALKALINITY

To sample from Step 4 add Total Alkalinity Indicator (2786) as follows:

25 mL sample 3 drops

10 mL sample 2 drops

5 mL sample 2 drops

Mix. Solution will turn green.

While gently swirling tube, add *Sulfuric Acid, 0.12N (7748WT), one drop at a time, until green color changes to red. Count the number of drops added. Hold bottle vertically.
Multiply number of drops used in Step 6 as follows:

25 mL sample multiply by 10

10 mL sample multiply by 25

5 mL sample multiply by 50

Add this result to the P Alkalinity from Step 4. Record as ppm T Alkalinity as CaCO3.

PURCHASE TEST KIT

ITEM NUMBER

DESCRIPTION

PRICE

P & T Alkalinity Drop Count Test Kit

$35.90

PURCHASE REAGENTS

Phenolphthalein Indicator 0.5%

$3.75

Total Alkalinity Indicator

$4.15

Sulfuric Acid 0.12N

$5.00

Test Tube, 5-10-25 mL Plastic With Cap

$2.45

COMPARISON CHART

Item #	Test System	Range/Sensitivity	# of Tests	# of Reagents
LLI4491DR	Total Alkalinity Direct Reading Titrator	0–200 ppm 4ppm as CaCO₃	50 at 200 ppm	2
L1018402	P & T Alkalinity Direct Reading Titrator	0–200 ppm 4 ppm as CaCO₃	50 at 200 ppm	3
L1018502	P & T Alkalinity Dropper Pipet	1 drop = 10 ppm as CaCO₃	50 at 200 ppm	3
LLI724001	P & T Alkalinity Dropper Bottle	1 drop = 10, 25, or 50 ppm as CaCO₃	100 at 500 ppm	3
L1018002	P & T Alkalinity Direct Reading Titrator	0–200 ppm 4 ppm as CaCO₃	50 at 200 ppm	3
L1018202	P, T, & OH Alkalinity Dropper Pipet	1 drop = 10 ppm as CaCO₃	50 at 200 ppm	4
LLI3467	P & T Alkalinity Direct Reading Titrator	0-200 ppm 4 ppm as CaCO₃	50 at 200 ppm	3

Item #

Test System

Range/Sensitivity

# of Tests