SNAP® residue tests consist of three simple components
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Draw the milk sample to the indicator line
(450 µL ±50 µL).
Add the sample to the tube and shake it.
Incubate the tube and device at 45°C ±5°C for:
Beta-Lactam—5 minutes Tetracycline—5 minutes
Aflatoxin M1—5 minutes Gentamicin—2 minutes
Sulfamethazine—2 minutes
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Add the sample to the sample well of the device. Watch the sample travel to the activation circle. Snap the activator completely as the activation circle BEGINS to disappear. DO NOT let the activation circle completely disappear.
When to "SNAP" (15 KB)  |
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Incubate the device as indicated:
Beta-Lactam—4 minutes Tetracycline—4 minutes
Aflatoxin M1—4 minutes Gentamicin—7 minutes
Sulfamethazine—7 minutes
Interpret results as described below. |
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It's easy to read SNAP® test results either visually or with a reader.
Visual Interpretation
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NEGATIVE
RESULT
Sample spot is darker than or equal to the control spot |
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POSITIVE
RESULT
Sample spot is lighter than the control spot |
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Interpretation with the SNAPshot® Reader
- Turn on the SNAPshot Reader.
- Use the stylus to select "Read Test."
- Tap the test you want to run.
- Tap each prompted field to enter required information and tap OK.
- Insert the SNAP device and tap OK.
- Easy-to-interpret results print automatically.
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