Question

Membrane filtration method is preferred where the substance under examination is ..... *
1 point
An oil
An ointment that can be put into the solution
A soluble powder
All of the above​

Answer 1

Answer:

All of the above

Explanation:

Using the membrane filter technique, sample is passed through the membrane using a filter funnel and vacuum system. Any organisms in the sample are concentrated on the surface of the membrane. ... Membrane filter technique is an effective, accepted technique for testing fluid samples for microbiological contamination.

Answer 2

Answer:

All of the above

Explanation:

Using the membrane filter technique, sample is passed through the membrane using a filter funnel and vacuum system. Any organisms in the sample are concentrated on the surface of the membrane. ... Membrane filter technique is an effective, accepted technique for testing fluid samples for microbiological contamination.