How To Dust For Fingerprints
Hold the balloon at the knot end and dangle it above the flame so the tip of the flame touches it.
How to dust for fingerprints. You ll want to take just a small pinch between your thumb and. Hold the balloon at the knot end and dangle it. Press a piece of tape over the print keeping hold of one corner. The best way to dust for prints is to sprinkle a small pinch of fine powder on the print.
Fill the balloon halfway with water. Fill the balloon halfway with water from the tap. Dab at the print lightly with a brush to remove extra powder. Lift it up and place it on a contrasting piece of paper.
How to dust for fingerprints. Hold the balloon over the lit candle. Touch the microscope slide with your finger to leave latent prints on it. You may need to prop it up diagonally.
Sprinkle a small amount of powder on the print. How to dust for fingerprints step 1. Gently brush the excess powder off. Remove from the faucet and fill the other half with air.
Gathering the prints 1. Put 3 drops of superglue on the center of the foil. Blow gently to cover the whole print with powder. Place the microscope slide in the container don t let it touch the glue.
If you want to make sure your print is even easier to see. I show how to lift fingerprints by using a brush and powder. Press your finger or fingers hard on the smooth surface. Hold balloon over candle light a candle.