Pseudo-ternary Phase
Pseudo-ternary Phase - Related Videos
01:28
Phase Diagrams of Ternary Systems
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2026
Consider a ternary system, which is composed of three components: water (W), ethanoic acid (E), and trichloromethane (T). Here, Ethanoic acid (E) is fully miscible with both water (W) and trichloromethane (T), meaning it can mix entirely with either of them. However, water and trichloromethane have partial miscibility, meaning they can only mix to a certain extent, beyond which two separate phases will form.The phase diagram of a ternary system is represented as an equilateral triangle, where...
09:51
Single Phase Inverter
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2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. DC power is unidirectional and flows in one direction, whereas, AC current alternates directions at a frequency of 50-60 Hz. Most common electronic devices are designed to run off of AC power; therefore an input DC source must be inverted to AC. Inverters convert DC voltage to AC through switching action that repeatedly flips the polarity of the input DC source at the output or load side for part of...
06:15
Preparation of Binary and Ternary Deep Eutectic Systems
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Cited by 19 •
2019
This protocol aims to standardize the preparation of deep eutectic systems throughout the scientific community so that these systems can be reproduced.
02:39
Phase Diagrams
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2020
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
02:31
Phase Transitions
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2020
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to occupy...
FAQs
Combining the surfactant and cosurfactant into one pseudocomponent simplifies interpretation without discarding their joint contribution. The diagram then tracks how this mixture interacts with the oil and aqueous phase as their relative proportions change. This representation helps researchers locate composition ranges associated with particular phase behavior.
Each compositional change can shift the system into a different phase region. Increasing or reducing the relative amounts of oil, aqueous phase, or the surfactant-cosurfactant mixture may correspond with microemulsions, emulsions, or separated phases. The diagram therefore links formulation proportions with observable differences in physical organization and apparent stability.
These regions indicate that the same three formulation components can produce materially different systems. Identifying whether a composition forms a microemulsion, an emulsion, or separated phases allows researchers to exclude unsuitable areas and focus on compositions with the phase behavior required for a pharmaceutical delivery system.
Component ratios establish the coordinates of the diagram, but they do not by themselves reveal which phase has formed. Researchers must identify phase changes through visual inspection or analytical methods. Pairing composition data with phase observations makes the diagram useful for recognizing boundaries and selecting specific formulation regions.
Researchers vary the ratios of the oil, aqueous phase, and surfactant-cosurfactant mixture, then examine each resulting composition for phase changes. Visual inspection or analytical methods can identify the resulting regions. Repeating this process across different proportions produces a map that connects formulation composition with phase behavior.
In medicine, the mapped regions help guide selection of stable compositions for pharmaceutical delivery systems. Researchers can use the phase behavior information when seeking improved drug solubilization, bioavailability, administration, or controlled delivery. The diagram provides a composition-based basis for narrowing formulation choices before selecting a suitable system.