The pores of filter for filtration should be between in diameter is _

1.	The pores of filter for filtration should be between in diameter is _________
A.	0.1 – 0.55 μm
B.	0.2 – 0.45 μm
C.	0.3 – 0.45 μm
D.	0.3 – 0.50 μm
Answer» C. 0.3 – 0.45 μm

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