|
sample type |
marine
porewater
|
digested
sediment 1g/L
|
groundwater
|
| typical concentration |
50
mmol/L
1300 ppm |
1.25 mmol/L
30 ppm |
0.4
mmol/L |
| Method1 | ICP-OES | ||
| wavelength | 280.269 nm -> wavelength table | ||
|
method used
|
yes
|
yes
|
yes
|
| dilution |
1
: 20
|
no
|
no
|
| sample size |
>
1 mL
|
>
5 mL
|
>
5 mL
|
| detction limit |
|
||
| standard solutions |
single
element standard in 1% HNO3
adapted to 1:20 diluted seawater Na-content |
single
element standard in 1% HNO3
|
single
element standard in 1% HNO3
|
| tips + tricks | |||