freezing point depression


Also found in: Encyclopedia.

freez·ing point de·pres·sion

(frēz'ing poynt dĕ-prĕs'shŭn)
A method used to determine osmotic concentration by comparing freezing point of a solution with values of a pure solvent. The lower the freezing point, the higher the osmotic pressure.
References in periodicals archive ?
The industry-preferred freezing point depression method is used to deliver results in just two minutes.
We are an authority on the application Freezing Point Depression technology for measuring the osmolality of solutions.
Progress requires a profound understanding of the mechanism of non-colligative freezing point depression at the molecular level and allows for efficient strategies for the design and preparation of powerful macromolecular antifreezes.
The dependent variable was osmolality, determined by a freezing point depression osmometer.
Erythritol works well in frozen items, as it has good freezing point depression while replacing sugar and calories.
For example, to demonstrate freezing point depression, vacuums, and density of salt water, they made ice cream, which was a hit with their audience as they learned something new and got to try a tasty homemade treat.
So we connected a discussion of freezing point depression to the making of ice cream.
When used in ice-cream, C*Maltidex has a freezing point depression factor comparable to sucrose (unlike fructose and sorbitol, which both tend to lower the FPDF).
Sweeteners functionalities--which include sweetness, flavor and flavor enhancement, freezing point depression, boiling point elevation, caramelization, texturization, moisture management, and heat of dissolution--are largely determined by the size, molecular weight, solubility and colligative properties of the agent in question.
Average molecular weights of asphaltenes from Colombian Barrancabermeja asphalts were determined using freezing point depression and MALDI TOF methods.