DEF Specifications

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DEF Specifications I (Specification No. ISO 22241)

PARAMETER
VALUE
UNIT
PARAMETER
VALUE
UNIT
Urea
32.5 + 0.7
weight %
Density (@77˚ F)
9.05 - 9.09
lbs/gals
Refractive Index (@77˚ F)
1.2814 - 1.3843
Alkalinity as NH3
<0.1
weight %
Biuret
<0.3
weight %
Aldehyde
<5
mg/kg
Insolubles
<20
mg/kg
Phosphate (PO4)
<0.5
mg/kg
Calcium
<0.5
mg/kg
Iron
<0.5
mg/kg
Copper
<0.2
mg/kg
Zinc
<0.2
mg/kg

 

DEF Specifications II (Specification No. ISO 22241)

PARAMETER
VALUE
UNIT
PARAMETER
VALUE
UNIT
Chromium
<0.2
mg/kg
Nickel
<0.2
mg/kg
Aluminium
<0.5
mg/kg
Magnesium
<0.5
mg/kg
Sodium
<0.5
mg/kg
Potassium
<0.5
mg/kg
Density at 20˚ C (= +69˚ F) 1.0870-1.0930 g/cm3
Refractive Index at 20˚ C 1.3814-1.3843
Appearance: Colorless, clear liquid

 

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