Hach Digesdahl 23130-20 - Page 82

73
Cobalt (Method 8078)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Copper, Bicinchoninate (Methods 8026 and 8506)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Expected Co
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
10-450 0.500 20.0
20-1200 0.400 10.0
50-3000 0.300 5.00
500-20000 0.200 1.00
2000-100000 0.100 0.50
Expected Cu
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
20-1200 0.500 20.0
50-3000 0.400 10.0
120-7500 0.300 5.00
1000-60000 0.200 1.00
4000-240000 0.100 0.50
A 2500×
BC×
------------------------ mg/kg Total Co=
A 2500×
BC×
------------------------ mg/kg Total Cu=
DIGESTION PROCEDURE FOR SOLIDS, continued
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