LaMotte SALINITY TEST KIT POL-H - Manual (Page 2)

Fill the 0-20 Direct Reading Titrator (0378) with *Salinity Titration
Reagent B (7461DR). Insert Titrator into hole of cap..
6. While gently swirl ing sam ple, slowly de press the plunger un til color
changes from yel low to pink-brown. Read test re sult where the large
ring on the Titrator meets the Titrator bar rel . Re cord as ppt Sa lin ity.
7. If Titrator becomes empty before color change occurs, refill and
continue titrating. Add original amount (20 ppt) to final result.
NOTE: Each minor division = 0.4 ppt Salinity
0-5 ppt SALINITY
1.
Fill test tube (0778) to 10 mL line with demineralized water from the
Demineralizer Bottle (1151).
2. Fill the 0 - 1.0 Direct Reading Titrator (0376) to 0 line with sample
water. Wipe any excess water off the Titrator.
3. Dispense the entire 1.0 mL into the titration tube.
4. Repeat steps 2 and 3 to add another 1.0 mL of sample water (total of
2.0 mL) to the titration tube.
5. Add 3 drops of *Salinity Indicator Reagent A (7460). Cap and gently
swirl to mix. Solution will turn yellow.
6. Fill the 0-20 Direct Reading Titrator (0378) with *Salinity Titration
Reagent B (7461DR). Insert Titrator into hole of cap.
7. While gently swirling sample, slowly depress the plunger until color
changes from yellow to pink-brown. Read test result where the large
ring on the Titrator meets the Titrator barrel. Divide the result by 4.
Record as ppt Salinity.
8. If Titrator becomes empty before color change occurs, refill and
continue titrating. Add original amount to final result.
NOTE: Each minor division = 0.1 ppt Salinity
LaMOTTE COM PANY
Helping Peo ple Solve An a lyt i cal Chal lenges ®
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
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