1.4.1 Reagents

Question 1

American Chemical society grade

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 1

a

Question 2

high degree of purity suitable for use in most analytical procedures

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 2

a

Question 3

For specific procedures such as chromatography, AAS, immunoassays, molecular diagnostics, and standardization techniques

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 3

b

Question 4

Impurity limitations not statedl not acceptable for research and laboratory technique unless further purification is carried out or a REAGENT BLACK is included during analysis

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 4

c

Question 5

Primarily used to manufacture drugs and purity standards may not meet assay requirements

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 5

d

Question 6

Should not be used in the clinical lab

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 6

e

Question 7

Nanograde / Spectograde / HPLC grade

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 7

b

Question 8

Main consideration for this is safety since it is for human consumption (Drugs)

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 8

d

Question 9

Industrial used

a. Analytic Reagent Grade
b. Ultrapure grades
c. Chemically pure grade
d. US pharmacopeia/Natonal Formulary Grade
e. Technical or Commercial grade

Answer 9

e

Question 10

NOTE:

Reference materials = Standards = Calibrators

Question 11

Highly purified chemical that can be measured directly to produce substance of exact known concentration and purity

a. Primary standard
b. Secondary standard

Answer 11

a

Question 12

ACS primary standard define primary standard is the value of purity tolerance ____________

Answer 12

100 +- 0.02%

Question 13

Standard Reference Materials define Primary standard as certified used in clinical chemistry lab

T or F

Answer 13

T

Question 14

Substance of lower purity with its concentration determined by comparison with a primary standard or SRM

a. Primary standard
b. Secondary standard

Answer 14

b

Question 15

Purest type which is recommended for standard preparation

a. Type I reagent water
b. Type II reagent water
c. Type III reagent water

Answer 15

a

Question 16

Also known as Clinical laboratory reagent water

a. Type I reagent water
b. Type II reagent water
c. Type III reagent water

Answer 16

a and b

Question 17

Acceptable for reagent procedures

a. Type I reagent water
b. Type II reagent water
c. Type III reagent water

Answer 17

b

Question 18

Can be used for some qualitative tests but not for routine analyses and reagent preparation; water source for the preparation of Type I or II water and for washing glassware

a. Type I reagent water
b. Type II reagent water
c. Type III reagent water

Answer 18

c

Question 19

Colony count for Type 1 water

Answer 19

<10 cfu/mL

Question 20

Type I should be used immediately due to possible contamination when storing

T or F

Answer 20

T