Study Set Content:
Sample Assay:
Assay of Organic Nitrogen Compounds
Involves cessation of precipitate or turbidity.
GAY-LUSSAC METHOD (EQUAL TURBIDITY METHOD)
This method is a tedious method since visual perception is the tool used in determining the end point.
GAY-LUSSAC METHOD (EQUAL TURBIDITY METHOD)
This method is prone to error.
GAY-LUSSAC METHOD (EQUAL TURBIDITY METHOD)
Standard solution
Silver Nitrate
Indicator
None
Sample assay:
Sodium CHloride
Standardization of 0.1N Silver Nitrate
Analyte
NaCl
Standardization of 0.1N Silver Nitrate
Titrant
AgNO3
Standardization of 0.1N Silver Nitrate
Indicator
Eosin Y TS
Standardization of 0.1N Silver Nitrate
Visual End point
Purplish or Reddish violet precipitate
Standardization of 0.1NAmmonium Thiocyanate
Analyte
AgNO3
Standardization of 0.1NAmmonium Thiocyanate
Titrant
NH4SCN
Standardization of 0.1NAmmonium Thiocyanate
Indicator
Ferric Ammonium Sulfate TS
Standardization of 0.1NAmmonium Thiocyanate
Visual End point
Red Brown color solution with
precipitate
Standardization of 0.05M Disodium Edetate
Analyte
CaCO3 (MW: 100.09
g/mol)
Standardization of 0.05M Disodium Edetate
Titrant
EDTA
Standardization of 0.05M Disodium Edetate
Indicator
Hydroxyl Naphthol
Blue
Standardization of 0.05M Disodium Edetate
Visual End point
Blue
Assay of Sodium Chloride Injection
Analyte
NaCl (meq: 0.058)
