REAGENT PREPARATION

Question 1

what are the chemicals used for reagent preparation

Answer 1

analytical reagent grade
ultrapure reagents
united states pharmacopeia and national formulary
technical or commercial grade
chemically pure or pure grade

Question 2

this type of reagent is important for qualitative and quantitative analysis, essential for accuracy

Answer 2

analytical reagent grade

Question 3

the specification of analytical grade reagent is established by

Answer 3

american chemical society

Question 4

what type of reagent is used for trace metal analysis

Answer 4

analytical reagent grade

Question 5

what type of reagent is used for making standard solutions

Answer 5

analytical reagent grade

Question 6

these types of reagents have been put through additional purification steps

Answer 6

ultrapure reagents

Question 7

example of ultrapure reagents

Answer 7

spectrograde
nanograde
HPLC pur e

Question 8

these type of reagent is used for chromatography, atomic absorption, and immunoassay

Answer 8

ultrapure reagents

Question 9

this type of reagent is approved for human consumption (not injurious to humans) but may not be applicable for laboratory analysis

Answer 9

united states pharmacopeia and national formulary

Question 10

this type of reagent is for drug manufacturing

Answer 10

united states pharmacopeia and national formulary

Question 11

this type of reagent is used primarily in manufacturing and should never be used in clinical laboratory testing

Answer 11

technical or commercial grade reagent

Question 12

the IMPURITY limitations of this type of chemicals are usually not stated

Answer 12

chemically pure or pure grade

Question 13

this type of reagent fails to reveal the tolerance limits of impurities

Answer 13

chemically pure or pure grade

Question 14

the purity of chemically pure or pure grade reagent is usually delivered by measurement of

Answer 14

melting and boiling point

Question 15

this type of reagent is not recommended for research and analytical chemistry unless further purification or a reagent blank is included

Answer 15

chemically pure or pure grade

Question 16

this type of reagent water is utilized for test methods requiring minimum interference

Answer 16

type I reagent water

Question 17

this type of reagent water used for procedures that require maximum water purity for accuracy and precision

Answer 17

type 1 reagent water

Question 18

this type of reagent water should be utilized immediately

Answer 18

type 1 reagent water

Question 19

it is advisable to use only what type of reagent water

Answer 19

type 1

Question 20

type of reagent water for washing glasswares

Answer 20

type II reagent water

Question 21

type of reagent water for maintenance of the constant temperature in water bath

Answer 21

type II reagent water

Question 22

is the first step in preparing reagent grade water

Answer 22

filtration

Question 23

processes involved in preparation of reagent grade water

Answer 23

filtration
distillation
ion exchange
reverse osmosis
uv oxidation

Question 24

this agency highlights that water should be classified in terms of type instead of the method of preparation

Answer 24

CLSI

Question 25

this agency recommends that lab document culture growth, pH, and specific water resistance on reagent grade water

Answer 25

CAP

Question 26

it is the condensate collected from steam and created when water is boiled and vaporized

Answer 26

distilled water

Question 27

this type of water is purified to remove almost all organic materials

Answer 27

distilled water

Question 28

this type of water is prepared by using deionized (anion or cation) and is free from mineral salts

Answer 28

deionizer

Question 29

this type of water has its impurities removed by ion exchange processes

Answer 29

deionized water

Question 30

this type of water has its ions removed but some organic material may still be present

Answer 30

deionized water

Question 31

this type of water is purified previously from treated water such as pre-filtered or distilled water

Answer 31

deionized water

Question 32

what are the 2 reference materials

Answer 32

primary and secondary standard

Question 33

this reference material is a highly purified chemical that can be measured directly to produce a substance of exact known concentration

Answer 33

primary standard

Question 34

____ has established the criteria for primary standard

Answer 34

international union of pure and applied chemistry (IUPAC)

Question 35

this reference material is a substance of lower purity whose concentration is determined by comparison with a primary standard

Answer 35

secondary standard

Question 36

types of solution used in the clinical laboratory

Answer 36

dilute solution concentrated solution saturated solution super saturated solution

Question 37

this type of solution has the presence of relatively little solute

Answer 37

dilute solution

Question 38

this type of solution has a large quantity of solute in solution

Answer 38

concentrated solutions

Question 39

this type of solution in which there is an excess undissolved solute particles

Answer 39

saturated solution

Question 40

this type of solution has greater concentration of undissolved solute particles than does a saturated solution of the same substance ano raw ung mas bongga pa sa saturated solution

Answer 40

super saturated solution

Question 41

processes to purify water

Answer 41

UV light ultrafiltration sterilization ozone treatment

Question 42

detergent contraminated water will have what pH

Answer 42

alkaline

Question 43

hard water contains

Answer 43

calcium iron and other dissolved elemets

Question 44

are the most common isolates in water after the purification process is complete

Answer 44

gram negative bacteria

Question 45

tests for water purity

Answer 45

microbiological content pH resistivity chemical oxygen demand ammonia ions metals