Table |
2.11 Contamination |
after the |
evaporation |
of minerał |
adds |
in | |||||
Teflon |
, plalinum. |
and auartz dishes | |||||||||
(frorn |
M*|. |
by |
wmission of ihe copyright holders. |
Nauka. Moscow) | |||||||
Acid |
Materiał |
Elements, ng/ml | |||||||||
Al |
Fe |
Ca |
Cu ' |
Mg! Mn Ni |
Pb |
Tl |
Cr • |
Sn | |||
HF |
Teflon |
3 |
3 |
1 |
<004 |
<3 |
01 <0-4 |
<0 1 |
0-1 |
<0-4 |
ND |
plalinum |
10 |
10 |
10 |
04 . |
10 |
Ó n ó |
OJ |
1 |
0-5: |
ND | |
HO |
Teflon |
< 4 |
3 |
5 |
0-2 • |
3 |
0 1 ND |
<0-4 |
ND |
ND . |
ND |
plalinum |
2 |
2 |
10 |
10 |
6 |
0 2 0*6 |
<04 |
0-4 |
Tr |
<0-4 | |
quartz |
10 |
10 |
60 |
10 |
10 |
0-4 2 |
0-5 |
0 « |
0-4 | ||
HNO |
i Teflon |
2 |
8 |
4 |
<001 |
7 |
01 ND |
ND |
Tr |
ND |
ND |
plalinum |
20 |
20 |
30 |
04 |
20 |
0 6 Tr |
1 |
0-8 |
ND |
ND | |
quartz |
20 |
20 |
60 |
0-1 |
20 |
0-6 ND |
1 |
0-3 |
ND |
ND | |
ND |
= not ileltcted |
Tr |
- iraces |
not |
evaluaicd |
quaniitaiively |