For an unpacked coated capillary column, the obstruction factor takes which of the following values?(a) 0(b) 0.6(c) 1(d) 1.6I have been asked this question in a job interview.Question is taken from Column Efficiency and Column Resolution topic in division Chromatography of Analytical Instrumentation

For an unpacked coated capillary column, the obstruction factor takes

1.	For an unpacked coated capillary column, the obstruction factor takes which of the following values?(a) 0(b) 0.6(c) 1(d) 1.6I have been asked this question in a job interview.Question is taken from Column Efficiency and Column Resolution topic in division Chromatography of Analytical Instrumentation
Answer» Right ANSWER is (C) 1 The best explanation: For an unpacked coated capillary COLUMN, the VALUE of the obstruction factor is 1. For a PACKED column, the value is 0.6.

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