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Sieving particle size analysis according to DIN EN ISO 9000 ff

Particle size distribution influences the physical and chemical properties of solids. Therefore this criterion is of highest importance in the context of science and quality control. Only if the size distribution remains constant, a steady product quality can be guaranteed, as the following examples show:

  • the strength of concrete depends on the particle size of the cement
  • the taste of chocolate is influenced by the fineness of the cocoa
  • the flow characteristics and solubility of washing powders depend on the fineness and particle shape of the basic materials
RETSCH sieve shakers, test sieves and evaluation software provide the key to easy, rapid, reproducible and, above all, accurate analyses.

Test Sieves


Sieve Shakers

Test Sieves


Test Sieves

Evaluation Software


Evaluation Software

The perfect addition to sieve analysis:
Particle analyzers by MICROTRAC

Our sister company MICROTRAC is a technology leader, with an extensive global network and an unrivaled offering in particle characterization.

MICROTRAC
Microtrac MRB particle analyzers

Separation of large sample volumes with the AS 450 control

Particle analysis of large quantities of bulk goods is usually done by vibratory sieving. In most vibratory sieve shakers in the market the sieve stack is mounted on springs which oscillate vertically. However, to evenly distribute the material over the entire sieve surface, the so called 3D vibratory sieving as it is used in the AS 450 control is the most suitable method.

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