Hach Digesdahl 23130-20 Instrument Manual page 54

DIGESTION PROCEDURE FOR AQUEOUS LIQUIDS,
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Cobalt (Method 8078)
Expected Co
conc. (mg/L)
0.1-6.0
0.5-25
2.0-100
20-1000
200-10000
×
A 2500
----------------------- - = mg/L Total Co
×
B C
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Copper, Bicinchoninate (Methods 8026 and 8506)
Expected Cu
conc. (mg/L)
0.25-15
1-60
4-240
40-2400
400-24000
×
A 2500
mg/L Total Cu
----------------------- - =
×
B C
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Sample
amount (mL) Volume (mL)
40.0
20.0
10.0
5.00
1.00
Sample
amount (mL) Volume (mL)
40.0
20.0
10.0
5.00
1.00
45
continued
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Analysis
Dilute to
20.0 25.0 mL
10.0 25.0 mL
5.00 25.0 mL
1.00 25.0 mL
0.50 25.0 mL
Analysis
Dilute to
20.0 25.0 mL
10.0 25.0 mL
5.00 25.0 mL
1.00 25.0 mL
0.50 25.0 mL
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