Chemical tests

• Elemental quantitative chemical analysis:
  • Determination of carbon and sulfur in steels and castings. ENAC accredited test.
  • Wet determination of metal content by inductively coupled plasma atomic absorption spectrometry (ICP-OES).
  • Determination of trace metal content by atomic absorption with graphite chamber with direct solids analysis (SS-GFAAS) or wet analysis.
• Qualitative chemical analysis of polymers by FTIR.
• Determination of gold and silver content in jewelry alloys. ENAC accredited test.
• Gravimetric determination of silicon.
• Quantification of reinforcement content in polymers and composites.
• Determination of moisture and ash content in polymers or cellulosic materials.
• Determination of pH and chemical conductivity in solutions.
• Density determination by pycnometer or immersion method.
• Color measurement by spectrometer.
• Measurement of gloss and hardness in coatings.

Thermal analysis by differential scanning calorimetry by heat flow and compensated power (-90ºC to 600ºC):

• Determination of glass transition temperature.
• Determination of temperature and enthalpy of fusion and crystallization.
• Determination of the specific thermal capacity.
• Determination of the characteristic temperatures and times of the reaction curve, enthalpy of reaction and degree of conversion.
• Determination of oxidation induction time and oxidation induction temperature.
• Determination of crystallization kinetics.

Thermogravimetric analysis by TGA:

• Determination of degradation temperatures.
• Coupled analysis with FTIR for component analysis.

Qualitative chemical analysis of polymers by FTIR.

Qualitative chemical analysis of cellulosic materials.

Rheological analysis:

• Determination of viscosity profiles.
• Evaluation of the stability of dispersions.
• Determination of specific cure time and gel time for resins.

Determination of viscoelastic properties by dynamo-thermo-mechanical analysis DMA (450N dynamic, 200N static, 1000Hz; 0.001-3mm dynamic displacement):

• Different deformation modes: tensile, bending, shear and others.
• Determination of glass transition temperature, elaboration of master curves by means of time-temperature superposition, elastic modulus changes and “damping” behavior as a function of frequency and temperature.

Quantification of reinforcement content in polymers and other materials.

Determination of biodegradability according to:

• UNE-EN ISO 13432:2000
• UNE-EN ISO 20200:2016
• UNE-EN ISO 14855-1:2013
• ISO 14852:2018
• ISO 17556:2012

• Macrographed.
• Determination of grain size.
• Depth of heat treatment.
• Classification of graphite.
• Determination of inclusions.
• Determination of the microstructure, identification of phases, microconstituents…
• Thickness measurement of coatings.
• Characterization and identification of impurities/particles.
• Fiber orientation in polymer reinforcement and composite materials by image analysis.
• Microsection analysis of electronic components.

• Tribological characterization of coatings. Determination of friction force. Study of the effect of self-lubricating lubricants or coatings. Reciprocal or Pin-On-Disc configuration. Short (stroke up to 25 mm) and long stroke (stroke up to 1400 mm) tribometers.
• Abrasion resistance. Taber method.
• Rheological characterization of paints (determination of cohesive energy density, shear rate, thixotropic behavior, etc.).
• Coating thickness (induction probe / metallographic cutting).
• Adhesion: cutting by grating (UNE-EN ISO 2409), adhesion by traction (UNE-EN ISO 4624), adhesion of coatings on fasteners (UNE-EN ISO 10683).
• Microstructural characterization of a coating. Study of the presence of defects in coatings (presence of pores, cracks, discontinuities, etc.) by microscopic observation.
• Hardness of a coating (Pencil Method / König Persoz / Erichsen Rod).
• Folding /density /viscosity / gloss / color / impact / Erichsen embossing.
• Gravimetric determination of the mass of zinc in galvanized products.

• You can consult the
  climatic tests
  .

• Resistance of organic coatings to chemical agents for domestic use (UNE 48027).
• Determination of resistance to liquids (UNE-EN ISO 2812).

• Qualitative and semi-quantitative elemental chemical composition analysis.
• Thermal characterization of organic coatings by DSC (differential scanning calorimetry). Obtaining thermal properties of the material (melting temperatures, glass transition, etc).
• Chemical characterization by infrared absorption spectrometer (FTIR).
• Temogravimetric analysis by TGA with the possibility of gas analysis by IR spectroscopy.