Formic acid contains 53 g L â1 hydrogen at room temperature and atmospheric pressure. By weight, pure formic acid stores 4.3 wt% hydrogen. Pure formic acid is a liquid with a flash point 69 Â°C (cf. gasoline â40 Â°C, ethanol 13 Â°C). 85% formic acid is not flammable.
Tombstone is located in Cochise County of southeast Arizona, 70 miles southeast of Tucson, 20 miles east of the San Pedro River and 15 miles southwest of the Dragoon Mountains.
Arizona is located in the Southwest U.S. Mexico is to the south, California and part of Nevada is to the west, Utah is to the north, and New Mexico is to the east. Arizona is 113,909 square miles, making it the 6th largest state in the country.The State of Arizona is shown on the map in red.he City of Phoenix (black dot on the map) is in Maricopa County (white area). It is rather centrally located in the State of Arizona. Note that the map is not drawn to scale; these are simply general shapes and locations for your reference.