Lye or sodium hydroxide (NaOH) is a vital part of human history. Also called caustic soda, lye is a white odorless solid. A strong...

Potassium Hydroxide, also known as caustic potash, has a history dating back to ancient times. A versatile chemical compound, it's used...

Arcanum Duplicatum is known by many names: sulphate of potash, arcanite, potash of sulfur, potassium sulfate. An inorganic compound, it...