ORGANIC IMPURITIES IN FINE AGGREGATE
- Compact, robust and easily portable for site use
- No need to prepare a standard solution
- Simple, straightforward test procedure
- Gives dependable measurements that are easily interpreted
Organic Impuririties in fine aggregate may not be suitable for inclusion in concrete. Organic impurities, usually tanic acid and its derivatives, may interfere with the chemical reactions of hydration. Impurities are more likely to be found in fine (sand) aggregate.
Organic Impurities complete Test Set, contains Graduated Bottle, Reference Color Comparison Chart (Sodium Hydroxide Reagent is included with this kit and should be sourced
AG 0111 Organic Impurities Set.
AG 0112 Graduated Bottle, 300 ml
AG 0113 Reference Color Comparison Chart
AG 0114 Sodium Hydroxide Solution