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ACTS (CC) > 1.2 Grades of purity of chemicals > Flashcards

1.2 Grades of purity of chemicals Flashcards

1
Q

Grades of purity of chemicals can be seen in what sheet?

A

SDS (Safety data sheet) / Material Safety Data sheet

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2
Q

Labels on these reagents either state the actual impurities for each chemical lot or the list maximum allowable impurities label should reveal the percentage of impurities present

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

Analytic reagent grade

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3
Q

WITH known impurity

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

a, b

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4
Q

Designates the highest purity of reagents in the laboratory

a. Spectroquality
b. Spectrophotoquality
c. Spectroquantity
d. Sppectrophotoquantity

A

a

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5
Q

Impurity limitations are not stated, preparation iis not uniform, not recommended for clinical lab

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

d

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6
Q

Requires the use of reagent blank

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

d

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7
Q

Use of manufacture drugs

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

c

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8
Q

Chemicals may be pure enough for use in most chemical procedures but consider that their purity standards are not based on the needs of the lab

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

c

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9
Q

Used priamrily in manufacturing and should never be used in the clinical lab

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

e

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10
Q

Amount of impurity is not KNOWN

a. Analytic reagent grades
b. Ultrapure
c. USP (US Pharmacopeia) or NF (National formulary
d. Chemically pure
e. Technical or Commercial grade

A

e

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11
Q

Grading of these reagents should actually state its actual impurities

T or F

A

T

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ACTS (CC) (10 decks)

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