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Books Bücher 1 - 10 von 25 in ... 3. The color to which the clay burns. This may be judged approximately, for clays...
" ... 3. The color to which the clay burns. This may be judged approximately, for clays with several per cent. or more of ferric oxide will burn red, provided the iron is evenly and finely distributed in the clay, and there is no excess of lime. The above... "
Final Report - Seite 50
von New Jersey Geological Survey - 1904
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Bulletin, Ausgaben 1-7

1886
...then a buff product results, provided the clay is only heated to incipient fusion or vitrification. The above conditions will be affected by a reducing atmosphere in burning or of sulphur in the fire gases. 4. Clays with a large amount of combined water sometimes exhibit a tendency...
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Annual Report of the United States Geological Survey to the Secretary of the ...

Geological Survey (U.S.) - 1898
...to 3, then a buff product results, provided the clay is heated to incipient fusion or vitrifaction. The above conditions will be affected by a reducing...in burning or the presence of sulphur in the fire gases. (4) Clays with a large amount of combined water sometimes exhibit a tendency to crack in burning....
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Bulletin of the New York State Museum, Ausgabe 35

1900
...to 3, then a buff product results, provided the clay is heated to incipient fusion or vitrification. The above conditions will be affected by a reducing atmosphere in burning or the presence of sulfur in the fire gases. 4 The quantity of combined water. Clays with a large amount of combined water...
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Report of the Philippine Commission to the Secretary of War ... 1900 ..., Teil 1

United States. Philippine Commission (1900-1916) - 1901
...show a percentage of silica, alumina, and water approaching quite closely to those of kaolinite. " 2. The refractoriness of the clay for, other things...in burning, or the presence of sulphur in the fire gases. "4. The quantity of water. Clays with a large amount of chemically combined water sometimes...
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Maryland Geological Survey, Band 4

Maryland Geological Survey - 1902
...3, then the buff product results, provided the clay is heated to incipient fusion or vitrification. The above conditions will be affected by a reducing...in burning or the presence of sulphur in the fire gases. 4. The quantity of combined water. Clays with a large amount of combined water sometimes exhibit...
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Report, Band 4

Maryland Geological Survey - 1902
...3, then the buff product results, provided the clay is heated to incipient fusion or vitrification. The above conditions will be affected by a reducing...in burning or the presence of sulphur in the fire gases. 4. The quantity of combined water. Clays with a large amount of combined water sometimes exhibit...
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Report

Maryland Geological Survey - 1902
...3, then the buff product results, provided the clay is heated to incipient fusion or vitrification. The above conditions will be affected by a reducing...in burning or the presence of sulphur in the fire gases. 4. The quantity of combined water. Clays with a large amount of combined water sometimes exhibit...
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Report

Maryland Geological Survey - 1902
...3, then the buff product results, provided the clay is heated to incipient fusion or vitrification. The above conditions will be affected by a reducing...in burning or the presence of sulphur in the fire gases. 4. The quantity of combined water. Clays with a large amount of combined water sometimes exhibit...
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Final Report of the State Geologist, Band 6

New Jersey Geological Survey - 1904
...presence is frequently neglected. Since the sulphur trioxide, carbon dioxide and water are volatile at a red heat, they are often determined collectively and...until their weight is constant. See under Moisture. crack in burning, and may also show high shrinkage. If kaolinite is the only mineral present containing...
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Final Report

New Jersey Geological Survey - 1904
...dry1 clays is chiefly chemically combined water. The ferric oxide, lime, magnesia, potash and soda art termed the fluxing impurities, and their effects are...until their weight is constant. See under Moisture. 1 See Lime in this chapter. crack in burning, and may also show high shrinkage. If kaolinite is the...
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