(a) What are the relative advantages and disadvantages of packed and open tubular columns in gas chromatography?...
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(b) Explain the difference between wall-coated, support-coated, and porous-layer open tubular columns.
(c) What is the advantage of bonding (covalently attaching) the stationary phase to the column wall or cross-linking the stationary phase to itself?
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a Packed columns offer high sample capacity while op...View the full answer
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