|
sample type |
marine
porewater
|
digested
sediment 1g/L
|
groundwater
|
| typical concentration |
nmol/L
ppt |
0.05 µmol/L
10 ppb |
5 nmol/L |
| Method1 | ICP-OES with USN | ||
| wavelength | 401.913 nm | ||
|
method used
|
no
|
yes
|
no
|
| dilution |
-
|
||
| sample size |
>
2mL
|
||
| detction limit |
2
ppb
|
||
| standard solutions | |||
| Method 2 | ICP-MS | ||
| Mass | 232 -> Mass Table | ||
|
method used
|
no
|
yes
|
no
|
| dilution |
1:10
|
||
| sample size |
>
1 mL
|
||
| detction limit |
10
ppb
|
||
| standard solutions | |||
| tips + tricks | 234Th method (AWI, Bremerhaven) | ||