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For many years our analytical labs have been working on the alkoxide-catalyzed transesterification process and the quality characteristics of the target product biodiesel. In addition to production-related analysis, we also examine your raw materials and end products. Based on the results of our analytical tests, you benefit from our consulting competency, for example, through avoiding yield losses or irregularities in the production process.


Biodiesel end-product test in accordance with EN 14214

Parameter

Units

Test procedure

Ester content

% (m/m)

EN 14103

Linolenic acid ME content

% (m/m)

EN 14103

Water content

mg/kg

EN ISO 12937

Total contamination

mg/kg

EN 12662

Oxidation stability, 110°C

h

EN 14112

Acid value

mg KOH/g

EN 14104

Iodine value

g Iod/100g

EN 14111

Methanol content

% (m/m)

EN 14110

Monoglyceride content

% (m/m)

EN 14105

Diglyceride content

% (m/m)

EN 14105

Triglyceride content

% (m/m)

EN 14105

Free glycerol content

% (m/m)

EN 14105

Total glycerol content

% (m/m)

EN 14105

Alkali metal content (Na+K)

mg/kg

EN 14108
EN 14109

Phosphorus content

mg/kg

EN 14107

Density (15°C)

kg/m³

EN ISO 3675

Viscosity (40°C)

mm²/s

EN ISO 3104

Flash point

°C

ISO/CD 3679

Sulphur content

mg/kg

DIN EN 20884

Sulphated ash content

% (m/m)

ISO 3987

FAME content with more than 3 double bonds

% (m/m)

EN 14103

CFPP

°C

DIN EN 116

 

Analytics of raw materials and by-products

Raw materials

Crude oil

Fatty acid content

 

 

Phosphatide content

 

Methanol

Water content

By-products

Glycerin

Content (Titr.)

 

 

Soap content

 

Soapstock

Ester content

Waste

Wastewater

CSB