Laboratory Analyses


Access precise
and analytical data

We are more than an external laboratory, we are a strategic partner that enhances your company's results. With a team of experts and excellent equipment, we develop, certify, and validate processes and products, ensuring faster and more reliable market launches.

Furthermore, we offer in-depth product validation alongside the end customer, strengthening their acceptance and trust. With competencies in European regulations and standards, we can assist in introducing your products to the market, ensuring compliance with regulatory requirements.

We value confidentiality, hence, we establish rigorous NDA (Non-Disclosure Agreement) parameters. We can act as R&D outsourcing partners, complementing your internal capabilities with our expertise and advanced resources.

If necessary, we create a personalized working environment, mimicking your laboratory in our space, allowing your team to operate efficiently and securely.

Count on us to propel the growth and innovation of your company, while ensuring utmost secrecy and efficiency at all stages of the process. Together, we will achieve exceptional results.


of choosing SCIENCE 351
  • Your urgency is our urgency. The average time for delivering results is 48 hours.
  • We validate your processes or products as an external laboratory.
  • We validate compliance for your products' market entry.
  • Complete confidentiality guaranteed.
  • Mimicry of your laboratory within our laboratory.

Main equipment

DLS (Dynamic Light Scattering)

Dynamic Light Scattering Ultra Zetasizer with multi-angle capability. Unique in the market with MADLS technology, allowing for highly refined resolution and particle concentration calculation. This equipment is capable of conducting particle size and stability tests.

Tensiometer (with Wilhelmy Plate)

Sigma 701 Tensiometer: The only equipment in its class with a resolution of 0.005 mg. Allows for automatic and precise testing of Surface/Interfacial/CMC Tension.


The Oxitop is used for determining biodegradability in accordance with OECD/microbiology—a laboratory procedure aligned with DIN ISO 29 408 / ISO 9408 / OECD 301 F. It ensures reliable results and allows flexible usage for different volumes and temperatures.

Thermo Gravimetric Analyzer

The STA 449 F5 Jupiter boasts excellent resolution, a broad spectrum of applications, a high-precision balance, and sensitive DSC capability, thereby enabling its application across a temperature range. Unique Combination - True TGA-DSC and TGA for Large Volumes.


Kinexus Lab+ Rheometer: Featuring the best inertia reduction in the market within its segment, and the broadest range of normal force, ensuring highly precise results. This equipment allows for comprehensive rheological analyses, including viscosity and elasticity studies.

Contact Angle

Contact angle meter employing sophisticated analysis algorithms ensuring more reliable results. This equipment measures static and dynamic contact angles as well as surface-free energy. Awarded "Best of the Best" in 2020.

UV-VIS Spectrophotometer

High-performance dual-beam UV-VIS spectrophotometer, enabling photometric measurements, spectrum scanning, quantitative determination, three-dimensional spectrum, and kinetic measurements.


This press is specially designed for the production of test specimens of various dimensions (up to 25 x 25 cm). This equipment allows for precise temperature control.

Analyses we provide

1. Rotational tests:
– Viscosity vs applied voltage
– Viscosity vs time
– Viscosity vs temperature

2. Oscillatory tests:
– G’ G’’ vs shear stress/rate
– G’ G’’ vs frequency
– G' G'' vs temperature
– G’ G’’ vs time

3. Probe tests:
– Force control applied in the sample
– Probe height penetration control in the sample

• Particle size determination (nm range) in several temperatures

• Concentration calculation

• Zeta potential

• Critical micelle concentration (CMC) determination

• Interfacial/superficial tension determination

• Sedimentation tests

Combination of Thermogravimetry in controlled atmosphere and Differential Scanning Calorimetry (up to 1500ºC), to determine degradation temperatures, termal decomposition, phase transitions and reaction enthalpies.
  • Contact angle measurement
  • Surface free energy determination

Emulsification indices

  • UV sample exposure
  • UV–visible spectrophotometry
Biodegradability assessment according to the OECD/microbiology – laboratory procedure in line with DIN ISO 29 408 / ISO 9408 / OECD 301 F.

Cutting Specimens

• Hot-pressed sample plates

• Laser Cutting

Developed projects


Revestimento com propriedades antibacterianas e hidrofóbicas...