Air tankers are dropping thousands of gallons of red flame ... That's ammonium nitrate. Phos-Chek commonly contains two types ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry ...

including ammonium polyphosphate - which does not evaporate easily and stays set on materials for longer than water. The retardant is usually sprayed ahead of the fire in a bid to coat vegetation ...

Common fire retardants, such PHOS-CHEK, which is used in Los Angeles, include fertilizers, such as ammonium polyphosphate, diammonium phosphate and diammonium sulfate, as well as monoammonium ...

Air tankers are dropping thousands of gallons of red flame retardant ... That’s ammonium nitrate. Phos-Chek commonly contains two types of salt: diammonium phosphate ([NH4]2HPO4) and ammonium ...