User guide

NI TRO GEN MOD ULE

CODE 5930

FOR MODEL AM-31 • CODE 5928

QUANTITY CONTENTS CODE

120 mL *Universal Extracting Solution *5173PS-J

120 mL *Universal Extracting Solution *5173PT-J

30 mL *Nitrate Reagent #1 *5146-G

30 g *Nitrate Reagent #2 Powder *5147-G

2 Spoon, 0.5 g, plastic 0698

1 Pipet, 1.0 mL, plastic 0354

1 Rod, plastic, stirring 0519

1 Spot Plate, double, plastic 0159

1 Funnel, plastic 0459

3 Test Tubes, 1-8 mL, plastic, w/cap 0755

1 Pipet, plain, plastic, w/cap 0392

1 Filter Paper, 50 pk 0465-H

1 Test Tube, filtrate, plastic 0749

1 Nitrate-Nitrogen Color Chart 1315

*WARNING: Reagents marked with an * are considered to be potential

health hazards. To view or print a Material Safety Data Sheet (MSDS) for

these reagents go to www.lamotte.com. To obtain a printed copy, contact

LaMotte by e-mail, phone or fax.

For a discussion of the importance of nitrate-nitrogen, see of A Study of

Soil Science (1530) by Dr. Henry D. Foth.

WARNING! This set contains chemicals

that may be harmful if misused. Read

cautions on individual containers

carefully. Not to be used by children

except under adult supervision

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L Mott NITROGEN MODULE CODE 5930 FOR MODEL AM-31 • CODE 5928 QUANTITY 120 mL 120 mL 30 mL 30 g 2 1 1 1 1 3 1 1 1 1 CONTENTS *Universal Extracting Solution *Universal Extracting Solution *Nitrate Reagent #1 *Nitrate Reagent #2 Powder Spoon, 0.5 g, plastic Pipet, 1.
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PROCEDURE 1. Fill a test tube (0755) to line 7 with *Universal Extracting Solution (5173). 2. Use 0.5 g spoon (0698) to add four level measures of soil. Cap and shake for one minute. NOTE: When adding samples with high concentrations of carbonates to *Universal Extracting Solution (5173), swirl tube to mix for 30 seconds before capping to allow gases to escape. 3. Fold a piece of filter paper (0465) in half. Fold in half again. Gently push corners together to form a cone. Place cone in funnel (0459). 4.
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