Organic Impurities Test Set Agregate - Batuan Organic Impurities Test Set JA-910ORGANIC IMPURITIES TEST SET1set ASTM C-40 / AASHTO T-21 Consist of : JA-911Glass Bottle1pc 350 ml cap., grAduated glass with stoper. JA-912Stock Solution1btl Sodium hydroxide solution (NaOH), 1 litre. JA-913Standard Colour Chart1pc 5 standard colour.