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Español| Organic matter content in sand by colorimetry | ASTM C40 |
Sand determination
Description:
Organic matter content in sand by colorimetry. According to ASTM C40
Standard :[:en]ASTM C40[:],
Standard :[:en]ASTM C40[:],
Standard :[:en]ASTM C40[:],
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Standard :[:en]ASTM C40[:],
