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Marine Geochemistry - Laboratory Methods

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Access element methods

Pb - Lead

sample type

marine porewater
digested sediment 1g/L
groundwater
typical concentration
0.5 µmol/L
100 ppb
500 µmol/L
100 ppm

0.02 µmol/L
5 ppb

Method1 ICP-OES
wavelength 220.353 nm -> wavelength table
method used
no
yes
no
dilution
 
no
 
sample size
 
> 2 mL
 
detction limit
 
100 ppb
 
standard solutions
 
Single element standard in nitric acid 1%
 
Method 2 GF-AAS
wavelength 217.0 nm
method used
no
yes
yes
dilution  
1:1000
1:10
sample size  
500 µL
500 µL
detction limit  
1 ppb
1 ppb
standard solutions  
Single element standard in nitric acid 1%
Single element standard in nitric acid 1%
Method 3 ICP-MS
Mass 208 -> Mass Table
method used
yes
yes
yes
dilution
1:100
1:100
1:10
sample size
> 1 mL
> 1 mL
> 1mL
detction limit
100 ppb
100 ppb
1 ppb
standard solutions
Multielement standard in nitric acid 1% M4, M6, Kraft ME
Multielement standard in nitric acid 1% M4, M6, Kraft ME
Multielement standard in nitric acid 1% M4, M6, Kraft ME
tips + tricks  

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