S132, COLOUR STANDARD CHART

Λεπτομέρειες
Κατηγορία: Εδαφομηχανική / Soil

ASTM C40 / AASHTO T21 / UNI 8020-14
 Description:
Colour standard chart
ORGANIC IMPURITIES IN SOILS
For the determination of the Organic impurities in soils and fine aggregates.
Original Hellige chart with 5 glass reference scales.