Analysis of Unknown Powder
Instructions: Put a small amount of each powder in a well and then add a drop of each of the following chemical indicators. The reactions will indicate the identity of the substance. Use the chart as your guide
| Drug |
Appearance |
Reaction in water |
Color of indicator |
HCL reaction |
Fe reaction |
| Aspirin |
white-grains |
no reaction |
red |
no reaction |
light purple |
| Alka-Seltzer |
white-grains |
fizzes and dissolves |
red-orange |
fizzes |
fizzes yellow |
| Bicarbonate |
white-smooth |
dissolves |
green |
fizzes |
fizzes of Soda burnt-orange |
| Tylenol |
white-smooth |
no reaction |
red-orange |
no reaction |
dark purple |
IDENTIFICATION OF UNKNOWN POWDER__________________________
Hair Lab
Instructions: Use the microscope to describe, draw, determine the medullary index and identify the crime samples.
| Sample 1: |
Sample 2: |
Sample 3: |
Sample 4: |
Description:
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Description:
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Description:
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Description:
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Drawing
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Drawing
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Drawing
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Drawing
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:
Medullary Index
Show calculations:
Sample 1:
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Sample 2:
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Sample 3:
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Sample 4:
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Results:
- Sample 1 belongs to _______________
- Sample 2 belongs to _______________
- Sample 3 belongs to _______________
- Sample 4 belongs to _______________
Index
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Share-A-Thon Index
