THE UNDERGROUND RAILROAD. By Colson Whitehead. 306 pp. Doubleday. $26.95. Colson Whiteheadâs novels are rebellious creatures: Each one of them goes to great lengths to break free of the last one, of its structure and language, of its areas of interest.
Natron is a naturally occurring mixture of sodium carbonate decahydrate (Na 2 C O 3 Â·10H 2 O, a kind of soda ash) and around 17% sodium bicarbonate (also called baking soda, NaHCO 3) along with small quantities of sodium chloride and sodium sulfate.
Historical natron was harvested directly as a salt mixture from dry lake beds in Ancient Egypt and has been used for thousands of years as a cleaning product for both the home and body.Blended with oil, it was an early form of soap.he English word natron is a French cognate derived from the Spanish natron natrÃ³n Through greek Î½Î¯ÏÏÎ¿Î½. Nitron this derives from The Ancient egyptian word 'ná¹¯ry'. natron