The extinguishing agent can be comprised of, but is not limited to, solutions of water and potassium acetate, potassium carbonate, potassium citrate, or a combination of these chemicals (which are conductors of electricity). The liquid agent typically has a pH of 9.0 or less. On Class A fires, the agent works as a coolant.
Typically, condensed aerosol particulates consist of potassium carbonate (K 2 CO 3)) that are produced from the thermal decomposition of a solid aerosol-forming compound that includes potassium nitrate as an oxidizer. As the aerosol particles surround and come into contact with the flame, the particulates absorb the flame heat energy, breaking down and releasing large …
Fire extinguisher – Wikipedia
Currently, the only effective extinguishers rated as Class K are the Wet Chemical Fire extinguishers that meet regulatory and industry standards. The extinguishers leverage wet mist with alkaline mixtures in the …
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What are the different types of chemical fire extinguishers?
Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.
What is a Class K fire extinguisher made of?
Currently, the only effective extinguishers rated as Class K are the Wet Chemical Fire extinguishers that meet regulatory and industry standards. The extinguishers leverage wet mist with alkaline mixtures in the form of potassium citrate, potassium acetate, or potassium carbonate.
What type of liquid is used in fire extinguishers?
Water is the primary liquid used in these extinguishers, although sometimes other additives are also included. A drawback for pure water fire extinguishers is that it is not suitable for use in freezing conditions since the water inside will freeze and render the extinguisher unusable.
What are the different types of carbon tetrachloride extinguishers?
Another type of carbon tetrachloride extinguisher was the fire grenade. This consisted of a glass sphere filled with CTC, that was intended to be hurled at the base of a fire (early ones used salt-water, but CTC was more effective).
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| Fire extinguisher (Active Fire Protection Device)A fire extinguisher is an active fire protection device used to extinguish or … |
Potassium carbonate flame test. Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher