Laboratoire MAPIEM (UR 4323)

Electrochemical workstation (BIOLOGIC - VSP-300)

IM — 2023-05-12T14:48:54Z

Theory
An electrochemical workstation is capable of carrying out numerous electrochemical experiments including constant potential and constant current, concurrently. It is used to regulate and monitor several electrochemical reaction parameters, such as potential, current, charge transfer, etc. It typically includes a potentiometer, auxiliary electrode, working electrode, reference electrode, computer, and data collecting software, among other components.
Equipment
Our electrochemical (…)

- Physico-Chemical Characterization

Raman spectrometer (RENISHAW)

IM — 2023-05-04T12:56:28Z

Theory
The Raman spectroscopy is a vibrational spectroscopy technique similar & complementary to the infrared spectroscopy (FT-IR). It is based on the inelastic scattering of laser photons. This feature is known as Raman scattering. The energy of different vibrational modes (then the wavenumbers) is determined by the simple comparison between scattered and incoming photons energy. Thus, Raman spectroscopy provide both chemical and structural information.
Equipment The Renishaw Raman (…)

- Physico-Chemical Characterization

Impact Tester

IM — 2019-04-09T12:03:43Z

The Impact Tester is a simple to use gauge ideal for evaluating the resistance of a coating to impact (elongation, cracking or peeling).
There are two impact test methods: either a weight with a hemispherical punch attached falls on a coated metal sheet or a weight falls on to a hemispherical punch which is resting on the coated metal sheet.
The test specimen is fixed into position by the quick release clamp. The weight is lifted to the predetermined height and can be set by the adjustable (…)

- Physico-Chemical Characterization

Conical Mandrel Bend Tester (BYK - BF 5750)

IM — 2019-04-09T11:54:09Z

The Conical Mandrel Bend Tester is used to determine the effects of bending on the elasticity, adhesion and elongation properties of cured coatings.

- Physico-Chemical Characterization

Hardness test (HILDEBRAND - Shore A)

IM — 2019-04-08T14:23:26Z

- Physico-Chemical Characterization

Microhardness tester (FUTURE TECH - FM)

IM — 2019-04-08T13:25:52Z

- Physico-Chemical Characterization

Hardness test (INSTRON WOLPERT - prufgestrell)

IM — 2019-04-08T07:35:00Z

- Physico-Chemical Characterization

Ubbelohde Capillary Viscometer (SCHOTT Instruments - avs310)

2016-06-15T07:40:10Z

The viscosity of Newtonian fluids can be most precisely determined using capillary viscometers. This method of measurement, measures the time taken for a defined quantity of fluid to flow through a capillary with a known diameter and known length.

- Physico-Chemical Characterization

Viscometer (BROOKFIELD)

2016-06-15T07:20:25Z

The Brookfield Viscometer is the lab standard used around the world.
Brookfield viscometers employ the principle of rotational viscometry - the torque required to turn an object, such as a spindle, in a fluid indicates the viscosity of the fluid. Torque is applied through a calibrated spring to a disk or bob spindle immersed in test fluid and the spring deflection measures the viscous drag of the fluid against the spindle. The amount of viscous drag is proportional to the amount of torque (…)

- Physico-Chemical Characterization

Persoz Pendulum Hardness Tester (ELCOMETER - 3030)

2016-06-14T09:23:30Z

The Persoz Elcometer Pendulum Hardness Tester is a simple-to-use instrument for assessing the hardness of specimens such as coated panels. This hardness tester works on the principle that the damping time of a pendulum oscillating on a specimen indicates the hardness of the specimen. The amplitude of the oscillation reduces more quickly on soft specimens than on hard specimens. The Persoz test measures the time taken for the amplitude of oscillation to decrease from 12° to 4°.

- Physico-Chemical Characterization