Qc Lab Huhu

Front 1

Titrimetric Analysis

Back 1

Is a traditional or classical method of quantitative chemical analysis based on determining the quantity of a reagent of known concentration that is required to react completely with the amount of active constituent is sample being analyzed

Front 2

Titrant

Back 2

The solution being delivered from the buret

Front 3

Titrand

Back 3

Substance being titrated

Front 4

Titration

Back 4

Process in which a standard reagent is added to a solution of analyte until the reaction is judged to be complete

Front 5

Indicator

Back 5

Often added to the analyte solution to produce an observable physical change

Front 6

Beaker

Back 6

Used for mixing, stirring, and heating chemicals

Front 7

Erlenmeyer flask

Back 7

Allows easy mixing and swirling of the flask without too much risk of spilling

Front 8

Graduated cylinder

Back 8

To measure volume of liquids

Front 9

Volumetric flask

Back 9

Used to measure an exact large volume of liquid

Front 10

Cork

Back 10

stopper of volumetric flask

Front 11

Pipette

Back 11

Measuring an exact small volume of liquid and placing it into another container

Front 12

Burette

Back 12

A glass tube that is open at the top and comes to a narrow pointed opening at the bottom

Front 13

Stopcock

Back 13

Right above the bottom opening of a burette is a _________ that can be turned to control the amount of liquid being released

Front 14

Burette

Back 14

Used for extremely accurate addition of liquid, especially during titration

Front 15

Aspirator

Back 15

A common source of contamination

Front 16

True

Back 16

TRUE OR FALSE:

Glass reagent bottles are not for alkalis or bases

Front 17

Standard solution

Back 17

Solution of known concentration

Front 18

Analyte

Back 18

Substance in a sample being analyzed

Front 19

Equivalence point

Back 19

When the amount of added titrant is chemically equivalent to the amount of analyte in the sample

Front 20

End point

Back 20

When a physical change occurs that is associated with the condition of equivalence

Front 21

colorless

Back 21

Phenolphthalein color on acidic side

Front 22

pink

Back 22

Phenolphthalein color on basic side

Front 23

red

Back 23

methyl red color on acidic side

Front 24

yellow

Back 24

methyl red color on basic side

Front 25

yellow

Back 25

bromophenol blue color on acidic side

Front 26

violet

Back 26

methyl violet color on basic side

Front 27

yellow

Back 27

alizarin yellow color on acidic side

Front 28

red

Back 28

alizarin yellow color on basic side

Front 29

phenolphthalein

Back 29

The indicator used in the neutralization titration of acetic acid with sodium hydroxide

Front 30

Direct titration

Back 30

Titrant is added to analyte until a reaction goes to completion

Front 31

Residual or back titration

Back 31

Excess reagent is added to the analyte and the excess is determined

Front 32

Blank titration

Back 32

It is to be conducted with the use of same quantities of the same reagents treated in the same manner as the solution or mixture containing the portion of the substance under assay, but with the substance itself omitted

Front 33

Normality

Back 33

It is defined as the number of equivalents of solute per liter of solution

Front 34

Primary standard

Back 34

Standard used for solids

Front 35

Sodium carbonate

Back 35

What is the primary standard used in the standardization of 0.1N sulfuric acid

Front 36

Content uniformity

Back 36

Assures that the strength of a therapeutic product remains within specified acceptance limit

Front 37

Content uniformity test

Back 37

Used to establish within limits that a product has uniform amounts of AI in batch preparations of pharmaceutical dosage

Front 38

95% - 105%

Back 38

USP specification for individual assay of NaHCO3

Front 39

85% - 115%

Back 39

USP specification for content uniformity of NaHCO3

Front 40

Quantitative transfer

Back 40

Transfer of a substance from one container or vessel to another without losing the content

Front 41

Methyl red

Back 41

Assay of sodium carbonate tablets indicator

Front 42

Faintly pink color

Back 42

Assay of sodium bicarbonate tablet end point

Front 43

0.1N H2SO4

Back 43

Assay of sodium bicarbonate tablet titrant

Front 44

Methyl red

Back 44

Standardization of 0.1N H2SO4 indicator

Front 45

sodium carbonate

Back 45

Titrand used for the standardization of 0.1N H2SO4

Front 46

0.1N H2SO4

Back 46

Titrand used for the standardization of 0.1N NaOH

Front 47

Milk of Magnesia

Back 47

Antacid suspension; white viscous liquid

Front 48

Magnesium hydroxide

Back 48

Active constituent of Milk of Magnesia

Front 49

0.1N NaOH

Back 49

titrant used in the assay of milk of magnesia

Front 50

methyl red

Back 50

Indicator used in the assay of milk of magnesia

Front 51

7-8.5%

Back 51

assay of milk of magnesia USP limit

Front 52

Yellow

Back 52

Assay of milk of magnesia end point