Immediately upon injecting the sample mature into the column all the component a

Question

Immediately upon injecting the sample mature into the column all the component are___ The sample mature is swept through the column by the ___gas The gas referred to in #2 above should be___ (reactive or men - pick one). The gas referred to in #2 above represents the ___ phase The other phase that causes the molecules in the mixture to be dissolved in a high boiling liquid or wax or low melting solid is called the ___ phase The phrase ___refers to the phenomenon that some components in a mixture spend more time in the gas phase being swept through the column and other components in a mixture spend more dissolved in the liquid phase (see #5). B. True or False O_2(g) is sometimes used as a gas (see #2) in gas chromatography. Between 0.1-1.0 mL of your liquid mixture is usually injected into the column. Changing the oven temperature of the GC will change the retention times of the individual compounds in your mixture (all other variables remaining constant). Increasing

Explanation / Answer

(A)

(1) vaporized

(2) Carrier

(3) Inert

(4) Mobile

(5) Stationary

(6) Low retention time

(7) False, since oxygen is highly reactive

(9), (10), (11) are all true

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