The deposits consist of soda, potash, borax and common salt. Harrogate spa water contains iron, sulphur and common salt. By 1837, he was able to fix the images with a common salt solution. By 1814 the Leblanc process of making alkali from common salt was introduced to Britain. The saltiness is largely attributed to the presence of NaCl (common salt) in brine. Chlorine solutions can be generated on site by electrolyzing common salt solutions. The anhydrous salt forms cubic crystals similar to common salt (sodium chloride). In 1790, Nicolas Leblanc discovered how to make alkali from common salt. Vending of common salt (sodium chloride) was historically a natural monopoly. The water is then pumped into crystallising ponds, where common salt precipitates. The most well-known of the twenty is certainly sodium chloride, otherwise known as common salt. It contains (NaClO) and (NaCl; common salt). A common salt is sodium monothiophosphate (NaPOS). A related technique, soda firing, substitutes soda ash and/or sodium bicarbonate for common salt. Sodium chloride is the most common salt and chloride salts are opaque to short-wave ultraviolet.