Potassium Chromate Solution
Potassium Chromate Indicator for Silver - Chloride Titrations. Chemical Manufacturer of Specialty Bulk Inorganic Chemicals, Reagents and Fine Organic Chemicals for Process Chemistry. Also refer this link http://rxmarine.com/silver-nitrate
Potassium Chromate Indicator for Silver - Chloride Titrations. Chemical Manufacturer of Specialty Bulk Inorganic Chemicals, Reagents and Fine Organic Chemicals for Process Chemistry. Also refer this link http://rxmarine.com/silver-nitrate
| Physical State | Liquid |
| Appearance | yellow |
| Odor | odorless |
| pH | 8.6-9.8 (5% soln) |
| Vapor Pressure | 0 |
| Vapor Density | Not applicable |
| Evaporation Rate | Not applicable |
| Viscosity | Not applicable |
| Boiling Point | Not available |
| Freezing/Melting Point | 975 deg C |
| Autoignition Temperature | None reported |
| Flash Point | Not available |
| Decomposition Temperature | Not available |
| NFPA Rating |
(estimated) Health: 2; Flammability: 0; Reactivity: 0 |
| Explosion Limits, Lower | None reported |
| Upper | None reported |
| Solubility | Soluble |
| Specific Gravity/Density | 2.7320 |
| Molecular Formula | K2CrO4 |
| Molecular Weight | 194.20 |
Common laboratory chemical
Potassium chromate is strong oxidant.
Suitability for chloride determination
Indicator for volumetric chloride determination.
Dosage
Place 10 drops of sample water in a test tube and add 1 drop of 5% potassium chromate (K2CrO4) solution as indicator. Add dropwise 2.9% silver nitrate with the same dropper until a permanent and distinct colour change to a red brown colour occurs.
Potassium Chromate, 5% (w/v) Aqueous Solution; Chloride free 500mL; Poly bottle; Indicator for argentometric titrations
CAS 7732-18-5,7789-00-6,7761-88-8
Remarks
Supply Locations
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