spatter

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spatter

(spăt′ĕr)
The distribution of droplets into the air or onto solid surfaces, as a result of injuries to blood vessels (blood spatter) or during dental or surgical procedures. In health care, spatter is a potential source of exposure to infectious body fluids. In forensic medicine, the characteristics of spattered fluids are used to reconstruct crime scenes.

spatter,

n droplets of airborne particulate matter larger than 50 μm that fall to the ground.
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Recording blood spatter evidence requires little training.
How much knowledge do officers and crime scene technicians need to preserve blood spatter evidence?
A basic understanding of blood spatter analysis allows the first responding officer, crime scene technician, or detective to assist in correctly collecting and preserving blood stain data at the scene.
However, officers and technicians should have a basic idea of what the blood spatter means, including--
an understanding of the three classifications of blood spatter velocity and what they indicate;
The velocity of the blood spatter when it strikes a surface is, within certain limitations, a strong and reasonably reliable indicator of the speed of the force that set the blood in motion in the first place.
High velocity blood spatter is produced by an external force greater than 100 fps.
An external force of greater than 5 fps but less than 25 fps causes medium blood spatter.
Low velocity blood spatter is created by an external force less than 5 fps (normal gravity) with the stains generally 3 millimeters and larger.
Blood spatter interpretation at crime and accident scenes: a basic approach
For the protection of welding equipment, White Spatter Shield, also part of The Works range, proves extremely effective and extends the life of welding nozzles and shrouds by five times.
Trouble shooter: the answer to this month's trouble shooting teaser is supplied by Graham Stevens, managing director of Stevens Industrial Services

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