Application of a Pull on a Disk Method to Measure Surface Tension of Liquids.

15:30 EDT 16th September 2014 | BioPortfolio

Summary of "Application of a Pull on a Disk Method to Measure Surface Tension of Liquids."

The intrinsic property of liquids is a vital indicator of formulation performance and stability. Therefore, investigation of the interfacial phenomenon of surface tension is a routine procedure in the development of products in a wide variety of areas including foods, pharmaceuticals, cosmetics, and painting technologies. We hypothesize that studies related to the maximum pull on a rod can be extrapolated to disk geometry and applied to measure surface tension using a texture analyzer. A glass disk probe was attached to the arm of a texture analyzer and pulled from the liquid surface. The maximum force of detachment was used to calculate surface tension extrapolating from the theory of maximum pull on a rod. The surface tension of water, ethanol, and a hydroalcoholic solution was measured and compared with literature values to validate this hypothesis. The calculated values of surface tension for the liquids studied were within 5% of the reported values. Probe diameter appears to have an important role on surface tension accuracy compared with literature values. Slight discrepancies can be attributed to temperature control and leveling of liquid surface, although still in accordance with the reported values of surface tension measured using different methods. This study presents a simple, precise, and quick method to determine the surface tension of liquids from the maximum pull on a disk. Further studies are warranted to determine the optimum glass disk probe diameter for better accuracy.

Affiliation

Division of Pharmaceutics, College of Pharmacy, The University of Texas at Austin, 2409 University Ave. PHR 4.214, Austin, Texas, 78712-1095, USA.

Journal Details

This article was published in the following journal.

Name: AAPS PharmSciTech
ISSN: 1530-9932
Pages:

Links

PubMed Articles [20890 Associated PubMed Articles listed on BioPortfolio]

Surface tension and density of Si-Ge melts.

In this work, the surface tension and density of Si-Ge liquid alloys were determined by the pendant drop method. Over the range of measurements, both properties show a linear temperature dependence an...

A Theory for the Surface Tensions and Contact Angles of Hydrogen-Bonding Liquids.

The surface tensions of non-hydrogen-bonding, organic liquids can be accurately calculated from their electromagnetic properties, using an approximate form of the Lifshitz theory. A simple extension o...

Micro-and nanostructured silicon-based superomniphobic surfaces.

We report on the fabrication of silicon nanostructured superhydrophobic and superoleophobic surfaces also called "superomniphobic" surfaces. For this purpose, silicon interfaces with different surface...

Bulk and Liquid - Vapor Interface of Pyrrolidinium-Based Ionic Liquids: A Molecular Simulation Study.

Using molecular dynamics simulations we have studied the structure of three 1-butyl-1-methylpyrrolidinium ionic liquids whose anions are triflate, bis(trifluoromethanesulfonyl)imide and tris(pentafluo...

Application of Ionic Liquids in Hydrometallurgy.

Ionic liquids, low temperature molten salts, have various advantages manifesting themselves as durable and environmentally friendly solvents. Their application is expanding into various fields includi...

Clinical Trials [2615 Associated Clinical Trials listed on BioPortfolio]

Kirschner Wire and Pull-out Wire Fixation for the Treatment of Bony Mallet Finger

The objective of this report is to describe a new surgical technique for the treatment of bony mallet finger which involves the application of both Kirschner wire and pull-out wire fixatio...

Post CVA Persistent Hypertension Caring

The study HIPPOCRATE is a prospective open comparative study with a control group. The objective of this study is to show that an optimization of the caring of non controlled hypertended ...

A Comparison of the Effect of Dorzolamide and Timolol on Optic Disk Blood Flow in Patients With Open Angle Glaucoma

Glaucoma is one of the most common causes of blindness in the industrialized nations. For a long time glaucoma has been defined as a disease in which high intraocular pressure (IOP) leads ...

Surface Roughness of a Dental Restorative Material and Biofilm Formation

In this study we intend to find out the pattern of biofilm accumulation in vivo on various surface finishings. Our intention is to prepare Polymethylmetacrylate squers on orthodontical br...

The Application of Fibrin Glue in Ocular Surface Diseases

This clinical trial tries to use tissue fibrin glues (Tisseel) to treat various ocular surface diseases or surgeries, which includes pterygium surgery, corneal melting/perforation, Gunders...

Medical and Biotech [MESH] Definitions

Reducing the SURFACE TENSION at a liquid/solid interface by the application of an electric current across the interface thereby enhancing the WETTABILITY of the surface.

Measurement of the pressure or tension of liquids or gases with a manometer.

A method where a culturing surface inoculated with microbe is exposed to small disks containing known amounts of a chemical agent resulting in a zone of inhibition (usually in millimeters) of growth of the microbe corresponding to the susceptibility of the strain to the agent.

The force acting on the surface of a liquid, tending to minimize the area of the surface. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

The application of high intensity ultrasound to liquids.

Search BioPortfolio:
Loading
Advertisement

Relevant Topic

Pharmacy
Latest News Clinical Trials Research Drugs Reports Corporate
Pharmacy is the science and technique of preparing as well as dispensing drugs and medicines. It is a health profession that links health sciences with chemical sciences and aims to ensure the safe and effective use of pharmaceutical drugs. The scope of...

Advertisement