10 Questions
Major particles that carry electrodes
ELECTROLYTES
It is the physical property of a solution
OSMOLALITY
Give 2 forms of calcium determination
TOTAL AND IONIZED CALCIUM
What is the method used for sodium determination?
TRIPLE SALT SODIUM URANYL ZINC ACETATE
What is the method used in calcium determination?
ORTOCRESOLPHTHALEIN COMPLEXONE OR ARSENAZO DYE III
What is the general reaction for potassium determination?
POTASSIUM + SODIUM TETRAPHENYLBORON -> POTASSIUM TETRAPHENYLBORON
Most abundant cation
SODIUM
Major intracellular cation
POTASSIUM
Spectrophotometry for sodium determination?
420 NANOMETER
Working reagent for potassium determination, include the volume
POTASSIUM BORON 500UL AND SODIUM HYDROXIDE 500UL
Study Notes
Electrolytes and Determination Methods
- Major particles that carry electrodes: Ions
Solution Properties
- Physical property of a solution: Electrolyte concentration
Calcium Determination
-
Two forms of calcium determination:
- Titration with EDTA
- Atomic absorption spectroscopy (AAS)
- Method used for calcium determination: Titration with EDTA
Sodium Determination
- Method used for sodium determination: Flame photometry
Potassium Determination
- General reaction for potassium determination: Formation of a colored complex with sodium tetraphenylborate
- Working reagent for potassium determination: Sodium tetraphenylborate (1% solution, 2 mL)
Biological Significance
- Most abundant cation: Sodium
- Major intracellular cation: Potassium
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