This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Explain the principle of freeze-drying. What will be an ideal ... (Read 74 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Aug 2, 2018
Explain the principle of freeze-drying.
 
  What will be an ideal response?

Question 2

What is ultrafiltration?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Aug 2, 2018
Answer to Question 1

The principle of freeze-drying is that under conditions of low vapor pressure (a vacuum), water evaporates from ice without the ice melting.

Answer to Question 2

Ultrafiltration is a membrane filtration process operating at 2 to 10 bars (international unit of pressure equal to 29.531 in. of mercury at 32F) pressure and allowing molecules the size of salts and sugars to pass through the membrane pores, while molecules of the size of proteins are rejected.


eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Aug 2, 2018
Thanks


verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Aug 2, 2018
Welcome :)


« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

The principle of faunal succession uses animal fossils to tell relative time. The principle of faunal succession uses animal fossils to tell relative time.
Gestalt Principle: Continuity Gestalt Principle: Continuity
Gestalt Principle: Proximity Gestalt Principle: Proximity
Please fully explain the answer with steps Please fully explain the answer with steps
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
Physics- Density, Pressure and Pascal's Principle Physics- Density, Pressure and Pascal's Principle
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library