COLOUR STANDARD CHART ORGANIC IMPURITIES TEST SET

♦STANDARDS: ASTM C 40, AASHTO T 21
♦GENERAL SPECIFICATIONS

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 and Sodium Hydroxide should be ordered separately.

♦TECHNICAL SPECIFICATIONS


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