Colour Standard Chart (Organic Impurities Test Set)

Determines presence of injurious organic compounds in sands used in cement mortar or concrete.

Test serves as warning that further tests of sands are necessary before they can be approved for use.

Glass Bottle andSodium Hydroxide should be ordered separately.

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What is Colour Standard Chart (Organic Impurities Test Set)?
Organic Impurities Test Set is used for detecting deleterious organic materials in fine aggregates, a simple and widely-used test. Samples are mixed in a special graduated colorless glass bottle with a 3% sodium hydroxide solution, then allowed to stand for 24 hours.

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