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28 Cards in this Set

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Name prefix for 10^-15.
femto
Name prefix for 10^-12.
pico
Name prefix for 10^-9.
nano
Name prefix for 10^-6.
micro
Name prefix for 10^-3.
milli
Name prefix for 10^-2.
centi
Name prefix for 10^-1.
deci
Name prefix for 10^1.
deka
Name prefix for 10^2.
hecto
Name prefix for 10^3.
kilo
Name prefix for 10^4.
mega
Name prefix for 10^9.
giga
Name prefix for 10^12.
tera
Where laboratories often have little need for reagent preperation, what is most important in the use of reagents?
proper labeling
What are primary standards in terms of reference materials?
chemicals of high purity used to directly measure an assay's exact concentration and purity
What are secondary standards in terms of reference materials?
substance of lower purity with concentration determined by comparison with a primary standard
Name 5 different purities of water and give a brief explanation of each.
-distilled; water purified by distillation
-deionized: water purified by ion exchange
-RO water: reverse osmosis, water pumped through a semipermiable membrane
-ultrafiltration: water purified by ultraviolet light, sterilization, or ozone treatment
-reagent grade water: water classified based on specification needed for its use rather than the method of purification or preperation
Chemicals used in the laboratory come in various ______ such as ______ (name 5).
-grades:
-analytic reagent (AR)
-United States Pharmacopeia (USP)
-National Formulary (NF)
-technical or comercial grade
Describe the 3 properties of a solution.
-solute: substance disolved in a liquid
-solvent: liquid that the substance disolves in
-solution: combination of solute and solvent
Define percent solution.
-the amount of solute per 100 total units of solution
Molarity vs Molality.
molarity: number of moles of a substance per liter of solution
molality: the amount of solute per 1 kg of solvent
Henderson-Hasselbalch equation
-
Electronic reporting is done by what department?
LIS
Define redox potential.
oxidation-reduction potential: measure of the ability of a solution to accept or donate electrons
State Beer's Law.
the relationship between concentration and absorbance in many photometric determinations expressed as: A=abc
Centrifuging whole blood for too long is one way to cause mechanical destruction of RBC in a process called what?
hemolysis
Define icterus.
increased bilirubin pigment
Define lipemia.
increased lipids