Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Startpage
Type selection
Risk Assessment
Shape and aspect ratio
Questions
1 ) What is the current state of the particle component?
unknown
powder
suspension
aerosol
2 ) Specific dispersibility in different media?
unknown
not dispersible
dispersible in aqueous media
dispersible in non-polar media
dispersible in polar media
dispersible in material specific media
3 ) What chemical composition do you expect?
unknown
inorganic
carbon-based
organic
biological
composite
other
4 ) Do you expect composites
unknown
no composite
core shell
multiple coatings
mixture of multiple materials
5 ) What shape do you expect the particles to have?
unknown
sphere or similar
equiaxial
tubes, fibre, rods (l/d>3)
flakes, discs (t/d<0.25)
other
mixture of different scaled nano-objects
6 ) How many small dimensions do you expect on the particles
unknown
1
2
3
mixture of all
7 ) What particle size range (in nm) do you want to assess?
unknown
Minimum
Maximum
8 ) Do you expect the presence of sub- or super-nano sized particles?
unknown
yes
no
9 ) Do you expect significant aggregation?
unknown
yes
no
10 ) Do you expect agglomeration?
unknown
yes
no
11 ) Which grade of multimodality do you expect?
unknown
peak size differ <20%
moderate distance between peaks
peak size differ >factor of 10
12 ) What grade of polydispersity do you expect?
unknown
quasi monodisperse
moderate polydisperse
highly polydisperse
13 ) Do you expect instability under vacuum conditions?
unknown
yes
no
14 ) Do you expect instability under electron radiation?
unknown
yes
no
15 ) Do you expect the particles to be electrically conductive?
unknown
conductive
semi-conductive
insulator
16 ) Do you expect the particles to have light absorptive properties?
unknown
yes
no
17 ) Do you expect functionalism?
unknown
yes
no
18 ) Do you expect release of ions, atoms or molecules?
unknown
yes
no
Methods
SEM
info
TEM
info
AFM
info