REAGENT PREPARATION Flashcards
what are the chemicals used for reagent preparation
analytical reagent grade
ultrapure reagents
united states pharmacopeia and national formulary
technical or commercial grade
chemically pure or pure grade
this type of reagent is important for qualitative and quantitative analysis, essential for accuracy
analytical reagent grade
the specification of analytical grade reagent is established by
american chemical society
what type of reagent is used for trace metal analysis
analytical reagent grade
what type of reagent is used for making standard solutions
analytical reagent grade
these types of reagents have been put through additional purification steps
ultrapure reagents
example of ultrapure reagents
spectrograde
nanograde
HPLC pur e
these type of reagent is used for chromatography, atomic absorption, and immunoassay
ultrapure reagents
this type of reagent is approved for human consumption (not injurious to humans) but may not be applicable for laboratory analysis
united states pharmacopeia and national formulary
this type of reagent is for drug manufacturing
united states pharmacopeia and national formulary
this type of reagent is used primarily in manufacturing and should never be used in clinical laboratory testing
technical or commercial grade reagent
the IMPURITY limitations of this type of chemicals are usually not stated
chemically pure or pure grade
this type of reagent fails to reveal the tolerance limits of impurities
chemically pure or pure grade
the purity of chemically pure or pure grade reagent is usually delivered by measurement of
melting and boiling point
this type of reagent is not recommended for research and analytical chemistry unless further purification or a reagent blank is included
chemically pure or pure grade
this type of reagent water is utilized for test methods requiring minimum interference
type I reagent water
this type of reagent water used for procedures that require maximum water purity for accuracy and precision
type 1 reagent water
this type of reagent water should be utilized immediately
type 1 reagent water
it is advisable to use only what type of reagent water
type 1
type of reagent water for washing glasswares
type II reagent water
type of reagent water for maintenance of the constant temperature in water bath
type II reagent water
is the first step in preparing reagent grade water
filtration
processes involved in preparation of reagent grade water
filtration
distillation
ion exchange
reverse osmosis
uv oxidation
this agency highlights that water should be classified in terms of type instead of the method of preparation
CLSI
this agency recommends that lab document culture growth, pH, and specific water resistance on reagent grade water
CAP
it is the condensate collected from steam and created when water is boiled and vaporized
distilled water
this type of water is purified to remove almost all organic materials
distilled water
this type of water is prepared by using deionized (anion or cation) and is free from mineral salts
deionizer
this type of water has its impurities removed by ion exchange processes
deionized water
this type of water has its ions removed but some organic material may still be present
deionized water
this type of water is purified previously from treated water such as pre-filtered or distilled water
deionized water
what are the 2 reference materials
primary and secondary standard
this reference material is a highly purified chemical that can be measured directly to produce a substance of exact known concentration
primary standard
____ has established the criteria for primary standard
international union of pure and applied chemistry (IUPAC)
this reference material is a substance of lower purity whose concentration is determined by comparison with a primary standard
secondary standard
types of solution used in the clinical laboratory
dilute solution
concentrated solution
saturated solution
super saturated solution
this type of solution has the presence of relatively little solute
dilute solution
this type of solution has a large quantity of solute in solution
concentrated solutions
this type of solution in which there is an excess undissolved solute particles
saturated solution
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
super saturated solution
processes to purify water
UV light
ultrafiltration
sterilization ozone treatment
detergent contraminated water will have what pH
alkaline
hard water contains
calcium
iron
and other dissolved elemets
are the most common isolates in water after the purification process is complete
gram negative bacteria
tests for water purity
microbiological content
pH
resistivity
chemical oxygen demand
ammonia
ions
metals
