The Qualitative Detection of Harmful Clays of the Smectite Group in Aggregates Using Methylene Blue
1.1. The purpose of this widespread is to perceive the presence of dangerous clays of the smectite institution
(negative minus seventy five-µm cloth) and to provide an indication of the floor activity of the combination.
1.2. This preferred may additionally involve unsafe materials, operations, and device. this preferred does now not purport to deal with all of the safety concerns associated with its use. it’s miles the obligation of the user of this manner to set up appropriate protection and fitness practices and to determine the applicability of regulatory barriers previous to use.
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