Hach Digesdahl 23130-20, Instrument Manual

Page: 81 / 101

72
Cadmium, Dithizone (Method 8017)
A = µg/l reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Chromium, Total (method 8024)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Expected Cd
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
5-200 0.500 20.0
12-500 0.400 10.0
30-1300 0.300 5.00
240-10000 0.200 1.00
960-40000 0.100 0.50
Expected Cr
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
4.9-150 0.500 20.0
10-370 0.400 10.0
25-1000 0.300 5.00
190-7500 0.200 1.00
750-30000 0.100 0.50
A 25
×
B C
×
----------------- mg/kg Total Cd =
A 2500
×
B C
×
------------------------
mg/kg Total Cr
=
DIGESTION PROCEDURE FOR SOLIDS,
continued
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