. The Popular science monthly . Photo, W. H. Rau, PbilaiRoad from Lake to Pier, Pier in Distance. 28 THE POPULAR SCIENCE MONTHLY. Photo, C. R. Toothaker, Phila. Commercial Crude Asphalt into Hold of Vessel. of the water of hydration of the clay forming part of the mineralmatter, which was lost on ignition after the removal of the bitumen bysolvents, and that, as a matter of fact, there is practically nothing of thenature of the organic matter not bitumen which has heretofore beenattributed to Trinidad asphalt. In direct contrast to this acid water is that which rises with the so
. The Popular science monthly . Photo, W. H. Rau, PbilaiRoad from Lake to Pier, Pier in Distance. 28 THE POPULAR SCIENCE MONTHLY. Photo, C. R. Toothaker, Phila. Commercial Crude Asphalt into Hold of Vessel. of the water of hydration of the clay forming part of the mineralmatter, which was lost on ignition after the removal of the bitumen bysolvents, and that, as a matter of fact, there is practically nothing of thenature of the organic matter not bitumen which has heretofore beenattributed to Trinidad asphalt. In direct contrast to this acid water is that which rises with the softpitch in the center of the lake, which is alkaline in reaction, and has thefollowing composition: Gramsper Kilo Specific gravity Solids at 110° C Sodium, Na Potassium, K Chlorine, CI Sulphuric acid, S03 Calcium oxide, CaO Trace Magnesium oxide, MgO Carbonic acid, C02 Silica, Si02 Organic matter ? TRINIDAD AND BERMUDEZ ASPHALTS 29 The emulsified water can be removed from the crude Trinidadasphalt by grinding it to a fine powder and exposure to the air, or by
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