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
If aggregate contains organic impurities it may not be suitable for inclusion in concrete. Organic impurities, usually tannic 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, containSS 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