Hach Digesdahl 23130-20 - Page 70

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Lead, Dithizone (Method 8033)
A = µg/l reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Manganese, PAN (Method 8149)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Expected Pb
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
15-800 0.250 20.0
38-2000 0.200 10.0
100-5300 0.150 5.00
750-40000 0.100 1.00
Expected Mn
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
7-350 0.250 20.0
20-870 0.200 10.0
50-2300 0.150 5.00
400-17000 0.100 1.00
A25×
BC×
----------------- mg/kg Total Pb=
A 2500×
BC×
------------------------ mg/kg Total Mn=
DIGESTION PROCEDURE FOR OILS, continued
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