LaMotte PHOSPHATE KIT OCTA-SLIDE 2, 1-10 ppm - Manual (Page 2)

PROCEDURE
NOTE: If sample water is cloudy, fi lter before testing.
1.0 - 10.0 ppm PHOSPHATE (PO
4
)
1. Fill a test tube (0106) to the 5 mL line with sample water.
2. Use the 1.0 mL pipet (0354) to add 1.0 mL of *VM Phosphate Reagent (4410).
Stopper and mix by inverting several times. Wait 5 minutes.
3. Use the plain pipet (0352) to add 3 drops of *Reducing Reagent (6405). Cap and
mix. Color will develop in 10 seconds.
4. Insert the Phosphate Octa-Slide 2 Bar (4414-01) into the Octa-Slide 2 Viewer
(1101).
5. Insert test tube into the Octa-Slide 2 Viewer. Match sample color to a color stan-
dard. Record as ppm Phosphate (PO
4
).
10 - 100 ppm PHOSPHATE (PO
4
): 1 to 10 DILUTION
1. Use the 0.5 mL pipet (0353) to add 0.5 mL of sample water to a test tube (0106).
2. Dilute to 5 mL line with phosphate-free (distilled) water.
3. Use the 1.0 mL pipet to add 1.0 mL of *VM Phosphate Reagent (4410). Cap and
mix by inverting several times. Wait 5 minutes.
4. Use the plain pipet (0352) to add 3 drops of *Reducing Reagent. Cap and mix.
Color will develop within 10 seconds.
5. Insert the Phosphate Octa-Slide 2 Bar (4414-01) into the Octa-Slide 2 Viewer
(1101)
6. Insert test tube into the Octa-Slide 2 Viewer. Match sample color to a color stan-
dard. Multiply by 10. Record as ppm Phosphate (PO
4
).
CAUTION: Do not use soaps or detergents containing phosphates to wash test tubes.
LaMOTTE COMPANY
Helping People Solve Analytical Challenges ®
PO Box 329 • Chestertown • Maryland • 21620 • USA
800-344-3100 • 410-778-3100 (Outside U.S.A.) • Fax 410-778-6394
Visit us on the web at www.lamotte.com
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