Author: Rafael Cobos

Cleaning is a critical part of any business, in any industry, either directly or indirectly. It is easy to imagine the repercussions that would follow to health if cleaning was so poor, or stopped altogether, in a hospital; but imagine the repercussions to any other...

Introduction We live and work with metals, we have done for thousands of years, we see how some metals change colour and almost disintegrate before our eyes. The nature of corrosion of metal comes from the metal's interaction with its environment with specific environmental and physical conditions,...

The Effect of Chloride ions from Bleach-based Cleaning Products  Of interest to cleaning directly and to the affect of cleaning operations, is the corrosion-initiating potential of chloride and other aggressive ions common in cleaning products. There are a number of aggressive cleaning products which are known...

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...

There are eight [1] classified forms of corrosion, these are: Uniform attack (or general corrosion) Crevice corrosion Pitting Stress-corrosion cracking Galvanic corrosion (two metal corrosion) Intergranular corrosion Selective leaching (dealloying) Erosion corrosion  ref: 1. M. G. Fontana and N. D. Greene, "Corrosion Engineering", Chapter 3, McGraw-Hill, New York (1978). 1. Uniform Attack This is arguably the most common form,...

Water - The universal Solvent? Water is a unique substance, with properties that sets it apart from virtually every other substance. The key property of interest to the science of cleaning is its polarity, which must not be confused with ionic charges normally associated with salts.

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...

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