Modern Combustion Analysis Uses Dynamic Flash Combustion

question 17

Multiple Choice

Modern combustion analysis uses dynamic flash combustion.What is the main reason dynamic flash combustion is employed?

• A)to limit the time oxygen flows freely through the analyzer
• B)to leave no residue in the ceramic crucible
• C)to guarantee the complete oxidation of select reaction products
• D)because the GC requires the sample to be injected at once
• E)to guarantee the complete reduction of select reaction products

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Definitions:

Ghrelin

A hormone produced in the stomach that stimulates appetite and signals the brain to increase food intake.

Leptin

A hormone produced by fat cells that regulates body weight by signaling the brain to reduce appetite and increase energy expenditure.

Insulin

A hormone produced in the pancreas that regulates the amount of glucose in the blood.

Anorexia Nervosa

A psychological and potentially life-threatening eating disorder characterized by an extreme fear of gaining weight and a distorted body image leading to self-starvation.