Hach Digesdahl 23130-20 - Page 56

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Lead, Dithizone (Method 8033)
A = µg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Manganese, PAN (Method 8149)
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Expected Pb
conc. (µg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.1-5.0 40.0 20.0 250 mL
0.4-20 20.0 10.0 250 mL
1.5-80 10.0 5.00 250 mL
15-800 5.00 1.00 250 mL
150-8000 1.00 0.50 250 mL
Expected Mn
conc. (mg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.05-2.1 40.0 20.0 25.0 mL
0.2-8.7 20.0 10.0 25.0 mL
0.8-35 10.0 5.00 25.0 mL
8-350 5.00 1.00 25.0 mL
80-3500 1.00 0.50 25.0 mL
A25×
BC×
----------------- µg/L Total Pb=
A 2500×
BC×
------------------------ mg/L Total Mn=
DIGESTION PROCEDURE FOR AQUEOUS LIQUIDS, continued
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