5.2.2 Trace-Analysis of Contaminations by Toxic Substances using the Brittle Fracture Technique (BFT)
The test sample is covered in the closed PTFE flask. It will not come into contact with the liquid nitrogen. The high-
purity PTFE of the shaking flask and the grinding balls ensure a very low contamination of the sample with the fluor
ingredients of the PTFE. The table in section 5.2.3 below gives an overview of trace elements of human tissue which
can be detected after homogenization of the sample with a Mikro-Dismembrator II.
5.2.3 Classification of the elements, which could be detected in human tissue after homogenization with
a Mikro-Dismembrator II
Basic elements
Elektrolytes
Trace elements
20
C, Ca, H, N, O, P, S
Ca, Cl, K, Mg, Na (as well as HCO
1
Main ingredients
1.1
Biological important
1.1.1
Group 1 Co, Cr, Cu, Fe, I, Mn, Mo, Se, Zn
1.1.2
Group 2 As, Ni
1.2
Clinical important (Cr), Cu, Fe, I, (Se), Zu
2
Toxic
2.1
Potentially toxic elements (As, Be, Cd, Hg, Pb, Se, TI)
2.2
Most important environmental contaminants (Cd, Hg, Pb)
2.3
Industrial contaminants like Be, Cr, Mn, Ni, Sb, Si
3
Others Ag, (Al, Av, B, Ba, Br, Ce, Cs, Ga, Ge, Li, Nb, Pt)
rare-earths like Rb, Sc, Sr, Te, Ti, Zr
3-
3-
3-
, SO
, HPO
)
4
4