What are the applications of potassium thiocyanate (inorganic compound)?
2025-04-27
Metal Ion Detection: It is a common indicator for trivalent iron ions
Applications of Potassium Thiocyanate are as follows:
1. Laboratory and Analytical Testing
- Metal Ion Detection: It is a common indicator for trivalent iron ions, producing a blood-red flocculent complex after addition; it can also be used for quantitative analysis to determine common metal ions such as silver, copper, and molybdenum in solution.
- Chemical Analytical Reagent: It can be used to prepare thiocyanate solutions, which serve as indicators for the volumetric determination of titanium; it also has applications in urine testing.
2. Industrial Production
- Electroplating Industry: Used as a component of electroplating solutions for the electropolishing of metals to reduce their microscopic roughness.
- Chemical Synthesis: Used in the synthesis of resins, pesticides, mustard oil, thiourea compounds, and pharmaceuticals.
- Refrigeration: Can be used as a refrigerant.
3. Other Fields
- Photography: Used in the manufacture of camera film, capable of depositing gel in plastic film.
- Food Industry: One of the three components (thiocyanate, hydrogen peroxide, and lactoperoxidase) of the lactoperoxidase system, used to extend the shelf life of milk in the absence of refrigeration.
- Film Industry: Its solution and iron ion solution can form a blood-red complex, which can be used to simulate fake blood in films or plays.
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