General Analytic Methods

Question 1

Chemicals must meet the specifications of _____

Answer 1

American Chemical Society

Question 2

Proper chemical selection and reagent preparation guideline is provided by _____ and _____

Answer 2

College of American Pathologists and Clinical Laboratory Standards Institute

Question 3

3 classifications of chemicals

Answer 3

1. Analytic/ Reagent grade
2. Ultrapure chemicals
3. Pharmaceutical chemicals

Question 4

Most common type (routinely used) chemical

Answer 4

Analytic/ Reagent grade

Question 5

High standards of purity and very expensive type of chemical

Answer 5

Ultrapure chemicals

Question 6

3 types of ultrapure chemicals

Answer 6

1. Nano grade
2. Spectrograde
3. HPLC grade

Question 7

It is used to manufacture different drugs

Answer 7

Pharmaceutical chemicals

Question 8

Specification of what organizations must be met by pharmaceutical chemicals?

Answer 8

1. United States Pharmacopia
2. National Formulary
3. Food Chemical Index

Question 9

What is the meaning of IUPAC?

Answer 9

International Union for Pure and Applied Chemistry

Question 10

IUPAC Grade A is AKA?

Answer 10

Atomic Weight Standard

Question 11

IUPAC Grade B is AKA?

Answer 11

Ultimate Standard

Question 12

IUPAC Grade C is AKA?

Answer 12

Primary Standard

Question 13

IUPAC Grade D is AKA?

Answer 13

Working Standard

Question 14

IUPAC Grade E is AKA?

Answer 14

Secondary Substances

Question 15

Most perfect IUPAC grade?

Answer 15

Grade A

Atomic Weight Standards

Question 16

IUPAC Grades commonly used in work

Answer 16

A C D

Question 17

Most pure water

Answer 17

Type I

Question 18

Most commonly used water

Answer 18

Type II

Question 19

AKA tap water

Answer 19

Type III

Question 20

Purification methods wherein liquid is vaporized and condensed

Answer 20

Distillation

Question 21

Purification method where water is forced through a semipermeable membrane that acts as a molecular filter

Answer 21

Reverse osmosis

Question 22

Purification method where water passes through insoluble resin polymers that contain anion or cation exchange resins therefore charged particles are removed

Answer 22

Deionization

Question 23

It is a pure substance from water

Answer 23

Vapor

Question 24

Used for measurement of mass

Answer 24

Balance

Question 25

Give 4 types of balances

Answer 25

1. Unequal Arm Substitution Balance 2. Magnetic Force Restoration Balances 3. Top loading balances 4. Electronic balances

Question 26

Most common balance

Answer 26

Unequal Arm Substitution Balance

Question 27

Types of laboratory glasswares

Answer 27

1. Thermal resistant glass 2. Alumina silicate glass 3. Acid and alkali resistant glass 4. Low actinic glass 5. Flint glass

Question 28

Thermal resistant glass is THICK and the MOST COMMON and is made of _____ Give examples

Answer 28

Borosilicate glass Pyrex, Klimax

Question 29

Alumina silicate glass is for the STORAGE OF STRONG CHEMICAL SOLUTIONS and is made of _____ Give examples

Answer 29

Aluminosilicate

Question 30

Acid and alkali resistant glass is made of?

Answer 30

Soft glass

Question 31

It is an amber colored glass and is used for the storage of light sensitive reagents

Answer 31

Low actinic glass

Question 32

Flint glass is made of?

Answer 32

Lime soda

Question 33

Examples of laboratory plasticware

Answer 33

``` Polypropylene Polyethylene Teflon Polycarbonate Polystyrene ```

Question 34

2 categories of pipets

Answer 34

Transfer and Measuring

Question 35

This sub classification of pipets always rely on gravity for drainage

Answer 35

To deliver pipets

Question 36

AKA to rinse out pipets

Answer 36

To contain

Question 37

Pipet used for hemoglobin determination

Answer 37

Sahli Pipet

Question 38

2 pipets under take careee

Answer 38

Sahli | Long Levy

Question 39

3 pipets under TD

Answer 39

Serological Mohr Volumetric transfer

Question 40

The liquid in the tip of this type of pipet needs to be removed

Answer 40

TD/Blowout

Question 41

2 types of TD/Blowout

Answer 41

Ostwald Folin | Serological

Question 42

Types of liquid in glass thermometers

Answer 42

Total immersion | Partial immersion

Question 43

Total immersion is used in?

Answer 43

Ref and freezers

Question 44

Partial immersion is used in?

Answer 44

Water bath | Heating block