Analytical Chemistry

Analytical chemistry is an Applied Chemistry

• True

• False

• Partially true

• Not mentioned

What is the essential first step in any quantitative analysis?

• Choosing a Method

• Eliminating Interferences

• Acquiring the Sample

• Processing the Sample

What is the second step in a quantitative analysis, to acquire the sample. Analysis must be performed on a sample that has the same composition as the bulk of the material

• Choosing a Method

• Acquiring the Sample

• Processing the Sample

• Eliminating Interferences

Processing the Sample

• third step in analysis to process the sample.

• Eliminating Interferences

• Acquiring a sample from the bulk of the material

• Convert the analyte to an appropriate form for measurement.

What is the process of determining the proportionality between analyte concentration and a measured quantity?

• Qualitative analysis

• Replicate samples

• Assay

• Calibration

What is the term for portions of a material of approximately the same size that are carried through an analytical procedure at the same time and in the same way?

• Replicate samples

• Assay

• Calibration

• Qualitative analysis

What is a species that causes an error in an analysis by enhancing or attenuating the quantity being measured?

• Matrix

• Analytes

• Calibration

• Interference

Matrix

• What is the collection of all of the components in the sample containing an analyte

• analyses performed on solutions of the sample made with a suitable solvent

• portions of determining how much of a given sample is the material by its indicated name

• process of determining the proportionality between analyte concentration and a measured quantity

Tags

NGSS.HS-PS1-5

What is the measurement element in various systems such as the determination and control of the concentration of glucose in blood?

• Replicate samples

• Qualitative analysis

• Analytical chemistry

• Interference

Tags

NGSS.HS-PS1-5

What is the process of continuous measurement and control often referred to as?

• Calibration

• Interference

• Feedback system

• Replicate samples

Tags

NGSS.HS-LS1-3