1. This salt is produced in blood, muscles, nervous cells and other parts of the body. 2. It has specific action on stomach, Intestines kidneys and joints and it is very essential for their appropriate function. 3. It should be remembered in all cases when there is sour eructations and vomiting, all the discharges are sour. 4. It is of service in diarrhoea, when the stools are sour, green or white. The tongue has a yellow golden coating. 5. It is of service in kidney stones, inflammation and infection of bladder. 6. It is also useful in enuresis specially in children. 7. It is also effective in rheumatism.