or acidic formulas to chemically lift stains. Concrete is made with lime, which is alkaline, so the surface must be neutralized after using acid cleaner. Enzyme and bacteria-based cleaners use ...

Acid-based stains have been around longer than dyes, but their popularity is waning due to their unpredictability. Stains work by reacting chemically with the concrete and can create a somewhat ...

The concrete staining world is separated into two distinct categories, acid-stain and water based. Water based stains are much more akin to a concrete coating. As with concrete coatings ...

IN the current literature on electron microscopical methods 1 many weaknesses of osmic acid as a fixing agent have been carefully analysed and appropriate safety methods, which would reduce if not ...

Description: Sauereisen Acidproof Concrete No. 54 - with almost a half century of successful, varied service - is the original acid-resistant material for gunite construction. For those applications ...

Indoors and out, concrete lasts longer and ... they would typically encounter—spills, stains, and all-purpose cleaners—and then we awarded points based on their performance.

A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...

Aspirin is the common name for acetylsalicylic acid (ASA ... it to the stain and wait for about an hour. Remove it with a cloth damp with cold water and leave it to dry. Enzyme-based stain ...