Organic Impurities Color Reference Chart

Organic Impurities Color Reference Chart is used in estimating the presence of organic compounds in fine aggregates in accordance with ASTM and AASHTO requirements. The chart has five permanent, fade-free solid-glass reference colors of 5, 8, 11, 14, and 16 on the Gardner color scale mounted in a sturdy protective plastic case. It is available individually or as part of the Organic Impurities Test Set.

Features:

• Meets ASTM and AASHTO requirements
• Contains five permanent reference colors

Included Items:

• Organic Impurities Color Reference Chart