Hach Digesdahl 23130-20 - Page 53

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Cadmium, Dithizone (Method 8017)
A = µg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Chromium, Total (Method 8024)
A = mg/L reading from instrument
B = mL sample amount from table
C = mL analysis volume from table
Expected Cd
conc. (µg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.05-2.5 40.0 20.0 250 mL
0.2-10 20.0 10.0 250 mL
1-40 10.0 5.00 250 mL
10-400 5.00 1.00 250 mL
100-4000 1.00 0.50 250 mL
Expected Cr
conc. (mg/L)
Sample
amount (mL)
Analysis
Volume (mL)
Dilute to
0.05-1.8 40.0 20.0 25.0 mL
0.20-7.5 20.0 10.0 25.0 mL
0.75-30 10.0 5.00 25.0 mL
7.5-300 5.00 1.00 25.0 mL
75-3000 1.00 0.50 25.0 mL
A25×
BC×
----------------- µg/L Total Cd=
A 2500×
BC×
------------------------ mg/L Total Cr=
DIGESTION PROCEDURE FOR AQUEOUS LIQUIDS, continued
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