1.1”This test method covers the determination of carbonate content of soils and soft rock which can be readily broken down by mechanical effort. It is a gasometric method that uses a simple portable apparatus. Results should be clearly stated as the calcite equivalent in percent because different carbonate species cover a wide range of percent calcite equivalent as shown below for a number of carbonates:
Species |
Cation |
Calcite |
Magnesite |
Mg |
117.0 |
Dolomite |
Ca, Mg |
108.6 |
Calcite |
Ca |
100.0 |
Aragonite |
Ca |
100.0 |
Rhodocrosite |
Mn |
87.1 |
Siderite |
Fe |
86.4 |
Smithsonite |
Zn |
79.8 |
Witherite |
Ba |
50.7 |
Cerrusite |
Pb |
37.5 |
Product Details
- Published:
- 06/15/2021
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