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