R e s t e k
State ofAffairs in1-DGC
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Many users viewGC as “separation by boiling point”
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Most of the rest view it as a “black box”
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Column choice has been eithermandated or is based on
history
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Column choices are few
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Most popular phases are similar in terms of selectivity
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Users look to columnmanufacturers, andmanufacturers
are staffed by former users……
