Analysis of the particulate & filmic cleanliness

In the field of analytics, we evaluate the particulate and chemical-filmic component cleanliness of your products and assist you in detection the particle source by determining the material of the particles.

Analysis of particulate and film cleanliness — In the analytical area the particulate and film cleanliness of the products is evaluated.

Particulate Contamination

Cleanliness inspections acc. VDA 19.1 / ISO 16232:2018 as well as over 1,000 specific customer standards

Standard cleanliness inspections
CCPlus cleanliness inspections with increased blank value requirements and fibers under laminar flow conditions
Cleanliness inspections of large components up to approx. 1.500 mm edge length with special extraction equipment for large components (large component extraction cabinet, large component manipulator)
Cleanliness inspection by means of fair jet extraction acc. VDA 19.1, chapter 6.5.1 of non-wet extractable components
Cleanliness inspections with air throughflow extraction acc. VDA 19.1, chapter 6.5.2 of air-conducting components
Cleanliness inspections with suction extraction (with air with particle suction extraction system C|PS²) of oversized components or directly in the process environment as well as the evaluation of the extracted particles
Cleanliness quick test using particle stamps (e.g. on component packaging)
Microscopic evaluation of particle traps/stamps
Construction and production of test equipment and adapters

Further Information

Electron-optical measurement and counting of particles in the scanning electron microscope (SEM) with element analysis by means of energy dispersive X-ray spectroscopy (EDX) for material determination — Scanning electron microscope (SEM) and element analysis using energy dispersive X-ray spectroscopy (EDX)

Material determination of particles

Advanced analyses to determine the particle source or to evaluate the damage potential

SEM/EDX analysis of individual anorganic particles (metallic / mineral particles)
SEM/EDX-Scan with elemental analysis, electron optical counting and measurement of anorganic particles (metallic / mineral particles)
FT-IR infrared spectroscopy of individual organic particles

Further Information

Mann hinter einer Scheibe mit Schutzbrille und Kittel füllt über eine große Pipette eine blaue Flüssigkeit in einen Kolben.

Zwei Personen, steril gekleidet sitzen vor dem Computer, neben ihnen unterschiedliche Laborinstrumente.

Chemical-filmic contamination

Analyses to determine the filmic surface contamination

Organic-filmic contamination

AGREE® - gravimetric test method with nanobalance (QCM) for the determination of filmic contamination
Gravimetric determination of soluble, non-evaporable residues (NVR, e.g.production aids, oils, greases) *
Testing the wettability by determining the surface tension using test ink or contact angle measurement
Determination of substances of non-polar surface contaminants (such as production aids, oils, greases) by means of GC-MS *, FTIR
THC determination for validation and monitoring of cleaning processes *

Ionic contamination

Determination of ion-specific amounts of dissolved salts by means of IC (ion exchange chromatography)
Determination of the conductivity factor of dissolved salts (ROSE)
Gravimetric determination of the residue weight of dissolved salts *
TOC determination for validation and monitoring of cleaning processes *

Determination of fluoride content

Determination of total residual dirt and fluoride content in heat exchangers acc. VW PV 3678

Characterization of unknown contaminations

Determination of scanning electron microscopy (SEM) *
Determination of energy dispersive X-ray spectroscopy (EDX) *

Further Information

Rotary evaporator — In the rotary evaporator the solvent is evaporated and the residues are determined gravimetrically.

Particles in hydraulic-fluid and lubricants

Determination of particulate contaminants in oils and greases

Microscopic analysis of particulate contaminants in oils and hydraulic fluids acc. ISO 4406 / ISO 4407
Quantitative determination of solid content in lubricating greases acc. DIN *
Microscopic analysis of particulate contaminants in lubricating greases *

Further Information

* This service is not within the scope of the accreditation