Which Is NOT True for Split Injection

question 4

Multiple Choice

Which is NOT true for split injection?

• A)The sample is completely vaporized and mixed in the mixing chamber by a combination of high temperature and brisk carrier flow.
• B)At the split point,a small fraction of vapor enters the column,but most passes through the waste vent.
• C)The proportion of sample that does not reach the column is the split ratio.
• D)Split ratios typically range from 50:1 to 500:1.
• E)After injection,the waste vent is closed and flow rate increased.

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