What is Scale? As the rain falls (which it often does in the UK) water dissolves carbon dioxide turning the water slightly acidic. This acidic water then percolates through calcium and magnesium-containing rocks, leaching the calcium and magnesium cations from the minerals. Common calcium minerals are calcite...
What is Glass? Glass is quite a remarkable substance, being neither a liquid nor a solid, sharing the properties of both: The structure of a liquid but the hardness and rigidity of a solid. Glass is formed by heating a mixture of predominately silicon dioxide (about...
Cleaning with pure water is predominantly done by window cleaners in the domestic and commercial cleaning industry, it is also done in the critical and technical cleaning industry, but for now we will look at the use in window cleaning. The underlining principle of the...
