MOD 6: QC/QA - 5

Volhard, Mohr, Fajan

Three methods of precipitation titrimetry for AgNO3

Volhard

The only residual method among the three AgNO3 titrimetry

Ammonium thiocyanate

Back titrant for Volhard method

Ferric Alum (Ferric Ammonium Sulfate)

Indicator for Volhard Method

Potassium chromate

Indicator for Mohr Method

Fajan method

This titration method for AgNO3 uses adsorption indicators such as Eosin Y, DCF, and TEE

Red color

Endpoint of Volhard method

Brick red ppt

Endpoint of Mohr method

Fajan method

AgNO3 titration method that has an abrupt chagne in color as its endpoint

Volhard method

Precipitation Titrimetry for the assay of NaCl

Mohr Method

Precipitation titrimetry for the assay of NaCl content of SLS

Fajan method

Precipitation titrimetry for the assay Halides and Iopanoic acid tablets

Direct Permanganometry

[Type of Titration used] H2O2 topical solution

Indirect permanganometry

[Type of Titration used] Malic acid from cherry juice

Residual Permanganometry

[Type of Titration used] KNO2 and NaNO2, NaNO3

Direct Iodimetry

[Type of Titration used] Ascorbic Acid

Residual Iodimetry

[Type of Titration used] Calomel

Residual Iodimetry

[Type of Titration used] Methionine

Residual Iodimetry

[Type of Titration used] Sodium sulfite and Sodium bisulfite

Direct Iodimetry

[Type of Titration used] Iodine and Strong I2 Solution

Direct Iodometry

[Type of Titration used] Cupric Sulfate

Direct Iodometry

[Type of Titration used] Sodium hypochlorite

Residual Iodometry

[Type of Titration used] Iodinated compounds

Diazotization

[Type of Titration used] Sulfa drugs and Sulfonamides

Diazotization

[Type of Titration used] Aryl-amino compounds

Cerimetry

[Type of Titration used] Ferrous sulfate, ferrous fumarate

Cerimetry

[Type of Titration used] Menadione (Vit. K)

Titration with Bromine

[Type of Titration used] Phenol, Aniline, and Resorcinol