It is Sulphonation of Copper. It is generally available in 5H2O (Crystal) form, though anhydrous is also available. Copper sulphate, blue stone, blue vitriol are all common names for pentahydrated cupric sulphate, which is the best known and the most widely used of the copper salts.t is Sulphonation of Copper. It is generally available in 5H2O (Crystal) form, though anhydrous is also available. Copper sulphate, blue stone, blue vitriol are all common names for pentahydrated cupric sulphate, which is the best known and the most widely used of the copper salts.
Disposable soft lenses. Contact lenses were first recognized in 1945 by the American Optometric Association. Over 38 million people wear contacts in the United States alone with international numbers topping 125 million. As more and more people receive proper eye care, the use of contact lenses continues to grow.
Disposable Digital, Flash & Underwater Cameras. The convenience and affordability of disposable, single-use cameras makes them very popular. eCameraFilms carries cheap disposable digital cameras from Fujifilm, Kodak, Snap Snap and more, all trusted brands that promise excellent photo quality. These ready-to-use cameras are affordable and convenient for photography enthusiasts, and they make great first camera options for kids as well.