Hach Digesdahl 23130-20 - Page 54

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Cobalt (Method 8078)
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Copper, Bicinchoninate (Methods 8026 and 8506)
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Expected Co
conc. (mg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.1-6.0 40.0 20.0 25.0 mL
0.5-25 20.0 10.0 25.0 mL
2.0-100 10.0 5.00 25.0 mL
20-1000 5.00 1.00 25.0 mL
200-10000 1.00 0.50 25.0 mL
Expected Cu
conc. (mg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.25-15 40.0 20.0 25.0 mL
1-60 20.0 10.0 25.0 mL
4-240 10.0 5.00 25.0 mL
40-2400 5.00 1.00 25.0 mL
400-24000 1.00 0.50 25.0 mL
A 2500×
BC×
------------------------ mg/L Total Co=
A 2500×
BC×
------------------------ mg/L Total Cu=
DIGESTION PROCEDURE FOR AQUEOUS LIQUIDS, continued
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