Which Is NOT True When Scaling Up Preparative Chromatography

question 19

Multiple Choice

Which is NOT true when scaling up preparative chromatography?

• A)Keep column length constant.
• B)Cross-sectional area of a column is inversely proportional to the mass of analyte.
• C)Maintain constant linear velocity.
• D)Sample volume applied to column is proportional to mass of analyte.
• E)If you change column length,mass of sample can be increased in proportion to total length.

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Definitions:

Blood

A vital fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Pulmonary Veins

Blood vessels that carry oxygenated blood from the lungs to the left atrium of the heart.

Left Atrium

The upper left chamber of the heart that receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.

Aorta

The main and largest artery in the body, carrying blood from the left ventricle of the heart to the entire body.