Glass Flashcards
1
Q
Why is glass a good evidence type
A
fragile, likely to break and transfer in a controlled manner
persists for a long time
2
Q
Analytical work flow for glass
A
Gross examination
preliminary evaluation
physical fit
microscope analysis
density measurement
elemental analysis
mass spec
3
Q
when examining large fragments
A
thickness, colour, matching edges, density, RI
4
Q
when examining smaller fragments
A
confirm its glass, look for distinguishing features, RI measurements
5
Q
ICP-MS
A
Glass needs to be made liquid by a laser. no need for further sample prep
