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Determination of chemical classification numbers


Chemical characteristic numbers are applied in many fields like quality control, research and development. Our range covers the volumetric characterization of polymers/plastics according to standardized methods.


Titration apparatus


In the table you can find some test methods, which we use for the determination of chemical classification numbers. If you cannot find a desired method, please do not hesitate to address us.

Test methods:

DIN EN ISO 4629

Binders for paints and varnishes:  
Determination of hydroxyl value - Titrimetric method

DIN EN ISO 3681

Binders for paints and varnishes:
Determination of saponification value -
Titrimetric method

DIN EN ISO 1061

Unplasticized cellulose acetate:
Determination of free acidity

DIN EN ISO 3001

Epoxy compounds:
Determination of epoxy equivalent

DIN EN ISO 2114

Plastics (polyester resins) and paints and varnishes (binders): Determination of partial acid value and total acid value

DIN EN ISO 1264

Homopolymer and copolymer resins of vinyl chloride:
Determination of pH of aqueous extract

ISO 14900

Plastics (Polyols):
Determination of hydroxyl number

 

Determination of degree of substitution for cellulose acetate according to E. Samios

 
Analysis
 
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