The radiation levels in the worst-hit areas of the reactor building have been estimated to be 5.6 roentgens per second (R/s), equivalent to more than 20,000 roentgens per hour. A lethal dose is around 500 roentgens (~5 Gy) over 5 hours, so in some areas, unprotected workers received fatal doses in less than a minute.
Sodium bicarbonate is the generic name for a drug that is most commonly used to calm upset stomach caused by irritation from acid reflux. It's available in tablet form and is also sold in combination with omeprazole (Prilosec) as the over-the-counter (OTC) drug Zegerid for acid reflux. Sodium bicarbonate belongs to a class of drugs called antacids.
The prefix bi in bicarbonate comes from an outdated naming system and is based on the observation that there is two times as much carbonate (CO 3) per sodium ion in sodium bicarbonate (NaHCO 3) and other bicarbonates as in sodium carbonate (Na 2 CO 3) and other carbonates.icarbonate (HCO 3 â) is alkaline, and a vital component of the pH buffering system of the human body (maintaining acid-base homeostasis).