In compliance with international standards

Biodiesel

     Requirements and test methods
Test method Method EN 14214
EN 14213
ASTM D 6751
ASTM D 7467
EN 590 
Acid number Titration EN 14104
ASTM D 664 
Iodine number Titration EN 14111
 –
Water content KFTcoulometric EN ISO 12937  √   EN ISO 12937
Oxidation stability Oxidation stability EN 15751 
(EN 14112) 
 EN 15751
(EN 14112)
EN 15751a 
Free and total glycerol content Ion chromatography
 √ ASTM D 7591  – 
Alkali metal and alkaline
earth metal content
Ion chromatography
 √ √  – 
Antioxidant content Ion chromatography recommended
 recommended recommended 
Sulfur content CIC √  √   √

Applies to pure biodiesel and blends that contain at least 2% (v/v) biodiesel

Bioethanol

    Requirements and test methods 
Test method Method EN 15376 ASTM D 4806
ASTM D 5798 
pHe  value
pHe value
EN 15490
ASTM D 6423 
Conductivity
Conductivity
DIN 51627-4
– 
Total acid number and acidity Titration EN 15491  ASTM D 1613
Inorganic chloride content Titration EN 15484 ASTM D 512 
Total inorganic sulfate content Titration ASTM D 7318 
Water content KFTcoulometric
KFTvolumetric
EN 15489
ASTM E 1064
ASTM E 203
Inorganic chloride content Ion chromatography
EN 15492
ASTM D 7319
ASTM D 7328
Total and potential inorganic
sulfate content
Ion chromatography EN 15492 ASTM D 7319
ASTM D 7328 
Sulfur content CIC  √
Copper content Voltammetry √ 


KFT = Karl Fischer Titration, CIC = Combustion Ion Chromatography