Guar gum Ganganagar and Hanumangarh in Rajasthan are the major Guar trading markets. The United States has produced 4,600 to 14,000 tonnes of guar over the last 5 years. Texas acreage since 1999 has fluctuated from about 7,000 to 50,000 acres. The world production for guar gum and its derivatives is about 1.0 Million tonnes. Non-food guar gum accounts for about 40% of the total demand. Mainly it is used as a proppant transport / proppant suspending agent in hydraulic fracturing. At its peak the price was $8000 per ton. Chemically, guar gum is an exo-polysaccharide composed of the sugars galactose and
Hydrochloric acid , Bulgarian: солна киселина, Russian: соляная кислота, , Korean: 염산, and Taiwanese: iâm-sng. Gaseous HCl was called "marine acid air". The old (pre-systematic) name "muriatic acid" has the same origin ("muriatic" means "pertaining to brine or salt", hence "muriate" means hydrochloride), and this name is still sometimes used. The name "hydrochloric acid" was coined by the French chemist Joseph Louis Gay-Lussac in 1814. Hydrochloric acid has been an important and frequently used chemical from early history and was discovered by the alchemist Jabir ibn Hayyan around the year 800 AD. Aqua regia, a mixture consisting of hydrochloric and nitric acids,