LaMotte AST Series Professional Soil Test Outfits - Manual (Page 14)

SINGLE TEST PROCEDURE
1.
Use the 1.0 mL pipet (0354) to add 1 mL of *Acid Extracting
Solution (6361) to the test tube (0701). Dilute to the 15 mL line
with deionized water.
2. Use the 1 g spoon (0697) to add 3 measures of soil. Add 0.5 mL of
Charcoal Suspension (5638). Cap and shake for five minutes.
3. Use funnel and filter paper to filter mixture (see How to Use a
Funnel and Filter Paper, page 10). Collect the filtrate. Use this
liquid as the extract for the Nitrate Nitrogen, Phosphorus,
Potassium, Calcium, Magnesium, Ammonia Nitrogen, Nitrite
Nitrogen, Copper, Manganese, and Aluminum tests.
MULTIPLE TEST PROCEDURE
1.
Use the 1.0 mL pipet (0354) to add 5 mL of *Acid Extracting
Solution (6361) to the 100 mL graduated cylinder (0419). Dilute to
75 mL line with deionized water. Pour into 100 mL bottle (0990).
2. Use the soil measure (1165) to add 15 grams of soil. Add 2 mL of
Charcoal Suspension (5638). Cap and shake for 5 minutes.
3. Use funnel and filter paper to filter mixture (see How to Use a
Funnel and Filter Paper, page 10). Collect the liquid. Use this liquid
as the extract for the Nitrate Nitrogen, Phosphorus, Potassium,
Calcium, Magnesium, Ammonia Nitrogen, Nitrite Nitrogen,
Copper, Manganese, and Aluminum tests.
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