Refractive Index Test

What Is the Refractive Index?

The refractive index (RI) is a dimensionless number that quantifies how much light bends as it travels through a particular medium. It provides information about the degree to which light changes direction or refracts when transitioning from one medium to another.

Why Measure the Refractive Index?

RI is a crucial parameter for characterizing the physical and chemical properties. This measurement is particularly valuable in assessing the mechanical strength of tablets.

For tablet medications, having the appropriate mechanical strength is essential to withstand the stresses encountered during production and storage.

Understanding a drug's RI empowers the R&D team to enhance control over the drug's production stability.

How Is the Refractive Index Measured?

RI is determined using a refractometer, a specialized instrument designed for this purpose, first developed by Abbe in the nineteenth century.

It consists of two prisms, an illuminating prism and a refracting prism, with the sample positioned as a thin layer between these prisms.

As light from a source passes through the illuminating prism, it creates distinct light and dark areas on the back of the refracting prism. The Refractive Index value is then obtained by observing the boundary between these light and dark regions.

Refractometer

Services at Protheragen-ING

Initial Consultation & Sample Collection

During this consultation, we engage with clients to understand their specific needs or any other requirements for the service.

Analysis

Skilled experts utilize a specialized refractometer to precisely measure the RI value of the samples.

The modern refractometer utilized in our testing services features advanced capabilities, including digital display, temperature control, multiwavelength filtering, and customizable programs, ensuring improved accuracy and convenience in measurements.

Data Interpretation & Reporting

We provide comprehensive reports that include refractive index data, test conditions, and recommendations. These reports serve as essential references for further research and development.

Client Consultation

After submission of the report we still keep in touch with clients to address any inquiries or concerns they may have and provide guidance on utilizing the RI data effectively for specific applications.

Protheragen-ING is dedicated to ensuring that every analysis service is conducted with the utmost accuracy. If you are interested in this service or require additional information, please contact us and we will respond within 2-4 working days.


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