Intro to AnaChem

Question 1

First modern analytical chemist

Answer 1

Charles N. Reiley

Question 2

German chemist

Answer 2

Karl Cammann

Question 3

seeks ever improved means of measuring the chemical composition of natural and artificial materials. involves the application of a range of techniques and methodologies to obtain and assess qualitative, quantitative and structural
information on the nature of matter.

Answer 3

Analytical Chemistry

Question 4

serve the needs of medicine, industry, environmental quality, and food. They also contribute to forensics, archaeology, and space
science.

Answer 4

Analytical chemists

Question 5

Fire assays for gold

Answer 5

Zechariah 13:9

Question 6

The golden crown.

Answer 6

Archimedes

Question 7

coined the term ”analyst” in his
book The Sceptical Chymist (1661).

Answer 7

Robert Boyle

Question 8

performed experiments on the conservation of mass using an analytical balance. He was known for his Oxygen Theory of Burning.

Answer 8

Antoine Lavoisier

Question 9

This analysis determines the mass
or concentration of a substance by
measuring a change in mass.

Answer 9

Gravimetry

Question 10

This analysis determines the
mass or concentration of a substance by
adding a known quantity of another
substance, following stoichiometry.

Answer 10

Titrimetry

Question 11

originated titrimetry by evaluating the quality of vinger by noting the quantity of solid K2CO3 that could be added before effervescence ceased.

Answer 11

Claude Joseph Geoffroy

Question 12

assayed silver by titration with 0.05% accuracy and precision.

Answer 12

Joseph Louis Gay-Lussac

Question 13

published Anleitung zur Quantitaven
Chemischen Analyse in Germany (1845). Known for his studies in analytical chemistry

Answer 13

Karl Fresenius

Question 14

published Die wissenschaflichen
Grundagen der analytischen Chemie (1894). Founder of physical chemistry

Answer 14

Wilhelm Ostwald

Question 15

published the second edition of
Quantitative Analysis (1927), which saw the evolution of instrumental techniques such as electroanalysis, conductimetric titrations, and colorimetric methods.

Answer 15

Stephen Popoff

Question 16

identification of elements, species and/or
compounds present in a sample.

Answer 16

Qualitative analysis

Question 17

determination of the absolute or relative
amounts of elements, species or compounds present in a sample.

Answer 17

Quantitative analysis

Question 18

determination of the spatial arrangement of
atoms in an element or molecule or the identification of characteristic
groups of atoms (functional groups).

Answer 18

Structural analysis