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.
Recent posts about Tombstone, Arizona on our local forum with over 2,000,000 registered users. Tombstone is mentioned 1,136 times on our forum: Latest news from Tombstone, AZ collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: American (19.3%), English (5.1%), German (5.1%), European (4.9%), Irish (4.9%), Dutch (4.3%).