IndiaMART Member Since Apr 2011 Since our inception in the year 1995, we, “ Orbit Research Associates Private Limited”, are one of the leading distributor, exporter, importer, service provider and a reputed buyer company of range of Analytical Instruments for surface chemistry and chemical engineering. Under this range, we are offering Surface Tensiometers, Contact Angle Measuring Systems, Zeta Potential Analyzer, Dynamic Foam Analyzer, Emulsion Stability Apparatus, Viscometer, Rheometer, & Film Drying Analysis equipments.

A range of test equipments for Petroleum Analysis include upstream, midstream and downstream. The product include Gas Hydrate Autoclave, Rocking Cell, Cold Finger Test, Wax Flow Loop, Turbulence Rheometer, H2S Analyzer, Thermal conductivity, Titrimeter etc.

We also provide testing facilities for measurements of Surface tension, Contact angle, surface free energy, CMC, wetting studies on pharmaceutical powders, stability of emulsions, suspensions and dispersion like pharmaceutical suspensions, body care products like sun cream, shampoo, ink, paint, flavored milk etc.

Windows micro xp iso download. 1, Background Surface tension or interfacial tension is the macroscopic manifestation of a host of molecular phenomena at the interface between liquid-fluid (or liquid-gas) system. Surfactants (or surface active agents) may change a liquid's wetting characteristics, and alter surface tension and mass transfer at liquid interfaces. The usual interpretation of surface tension as the force per unit length exerted across any line lying in the plane of the liquid surface has led to the development of a variety of force-balance surface or interfacial tensiometers. The distinction between surface tension and surface free-energy per unit area (Ip and Toguri 1994) is unessential here. Vocal synthesizer vsti aquestone2. These devices typically rely on placing a solid object into the liquid of interest, determining the length of the macroscopic solid-liquid contact line (hereafter referred to as the wetted perimeter), and measuring the added force on the object resulting from its contact with the liquid. The interfacial surface tension is then recovered by dividing the measured force by the wetted perimeter. Implicit in these techniques are the assumptions that: i) surface tension does not depend on liquid-surface curvature, ii) the liquid does not apply any force to the submerged portion of the solid beyond hydrostatic pressure, and iii) the angle that the interface makes with the vertical at the contact line is known (usually assumed to be zero for the receding contact angle in the experimental determination of surface tension).

Surface tensiometer is frequently associated with extraordinary experimental hygiene. Yet the surface tension of ordinary tap-water/air interfaces subject to air-borne particulate contamination is still of interest in many hydrodynamic studies involving large wave tanks or towing basins where high-purity water cannot be used and even daily water changes are not practical.