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ANALYTICAL CHEMISTRY > NATURE OF ANALCHEMISTRY > Flashcards

NATURE OF ANALCHEMISTRY Flashcards

LESSON 1

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1
Q

CHEMICAL ANALYSIS IS USED TO DIAGNOSE DISEASES BY ANALYZING BLOOD, URINE AND OTHER BODILY FLUIDS.

A

MEDICINE

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2
Q

IONIZED CALCIUM IN BLOOD SERUM HELP DIAGNOSE PARATHYROID DISEASE IN HUMANS. WHAT TYPE OF MEASUREMENTS IS THIS?

A

QUANTITATIVE

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3
Q

GIVE ME THE EXAMPLE OF LOW-IONIZED CALCIUM

A

Hypoparathyroidism

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4
Q

High Ionized Calcium

A

Hyperthyroidism
Hyperparathyroidism

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5
Q

What is the normal range of ionized calcium of newborns?

A

4.2 to 5.58 mg/dL

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6
Q

What is the normal range of ionized calcium in Children (2months to 18 years)

A

4.8 to 5.52 mg/dL

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7
Q

What is the normal range of ionized calcium in adults

A

4.5 to 5.6 mg/dL

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8
Q

Chemical analysis is used to determine the nutritional content and quality of food products.

A

Food Industry

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9
Q

Chemical analysis is used to identify and quantify contaminants in soil and water

A

Environmental Science/Environmental Remediation

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10
Q

What are the examples of environmental science that cause destruction?

A

Overfertilization, Pesticides and microplastic

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11
Q

Chemical Analysis identifies substances found at crime scenes, such as drugs or explosives and determines their origin.

A

Forensics

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12
Q

Chemical analysis is used in ensuring the purity and potency of the final product/drug

A

Pharmaceuticals

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13
Q

Chemical analysis is used to test soil and plant samples to optimize crop yield and prevent nutrient deficiencies.

A

Agriculture

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14
Q

Analyze chemical composition of rocks and minerals which can give insight into geological processes that shaped our planet

A

Geology

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14
Q

Chemical Analysis is used to identify and date artifacts as well as investigate organic residues found on artifacts

A

Archeology

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15
Q

Chemical Analysis is used to ensure the safety and quality of beauty products.

A

Cosmetics

16
Q

Chemical Analysis is used to study the composition of the atmosphere and to monitor changes in greenhouse gas concentrations overtime

A

Climate Science

17
Q

Analysis of steel during its production permits adjustment in the concentrations of such elements as carbon, nickel and chromium to achieve the desired strength.

A

Industrial Manufacturing

18
Q

What are the subbranches of the analytical chemistry?

A

Quantitative and qualitative analysis

19
Q

Measurements of “ How much” of chemical substance in present

A

Quantitative

20
Q

Are the components of a sample that are determined

A

Analytes.

21
Q

Determine the mass of the analyte or some compound chemically related to it

A

Gravimetric Methods

22
Q

Measure the volume of the solution containing sufficient reagent to react completely with the analyte.

A

Volumetric Method

23
Q

Measure electrical Properties such as potential, current, resistance, and quantity of electrical charge.

A

Electroanalytical Methods

24
Q

Explore the interaction between electromagnetic radiation and analyte atoms or molecules or the emission of radiation by analytes

A

Spectroscopic Methods

25
Q

Tell us what is present and reveals the identity of the elements and compounds in a sample.

A

Qualitative Analysis

26
Q

only detect drug use within short window; several hours to three days after exposure.

A

Urine

27
Q

Most accurate drug use within a maximum of three days and almost immediately after use.

A

Blood

28
Q

Best for detecting very recent drug use within the past few hours, 15 mins and after use.

A

Saliva

29
Q

Enumerate the steps of quantitative Analysis in order.

A

1 Formulating the question.
2. Selecting a method
3. Acquiring the sample.
4. processing the sample
5. Eliminating interference
6. Calibrating and measuring Concentration
7. Calculating the results
8. Evaluating Results by estimating Reliability.

30
Q

Is the process of determining the proportionality between analytes concentration and a measured quantity

A

Calibration

31
Q

A species that causes an error in an analysis by enhancing or attenuating the quantity being measured.

A

Interference

32
Q

Are portions of the material of approximately the same size that are carried through an analytical procedure simultaneously and in the same way.

A

Replicates.

33
Q

Is the process of collecting a small mass of a material whose composition accurately represents the bulk of the material being sampled.

A

Sampling.

ANALYTICAL CHEMISTRY (2 decks)

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