Hach Digesdahl 23130-20 - Page 72

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Phosphorus, Ascorbic Acid (Method 8048)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Potassium (Method 8049)
A = mg/L reading from instrument
B = g sample amount from table
C = mL analysis volume from table
Expected PO
4
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
20-900 0.250 20.0
50-2300 0.200 10.0
130-6200 0.150 5.00
1000-45000 0.100 1.00
Expected K
conc. (mg/kg)
Sample
amount (g)
Analysis
Volume (mL)
600-3400 0.250 20.0
1500-8500 0.200 10.0
4100-22000 0.150 5.00
15500-85000 0.100 2.00
31000-170000 0.100 1.00
A 2500×
BC×
------------------------ mg/kg Total PO
4
=
A 2500×
BC×
------------------------ mg/kg Total K=
DIGESTION PROCEDURE FOR OILS, continued
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