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Books Bücher 1 - 10 von 11 in ... transferred to an evaporating dish, preferably of platinum for the sake of celerity...
" ... transferred to an evaporating dish, preferably of platinum for the sake of celerity in evaporation, moistened with enough water to prevent lumping, and 5 to 10 cc of strong HC1 added and digested with the aid of gentle heat and agitation until solution... "
Bulletin - United States Geological Survey - Seite 228
von Geological Survey (U.S.) - 1910
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Bulletin, Ausgaben 303-308

1907
...procedure is here given in brief, that covers the important constituents of limestones. The operations arc generally given without explanations. Those who seek...200° for an hour or less. 46. SILICA. The residue ts treated with 5 to 10 cm.3 of strong hydrochloric acid, which is then diluted to half strength, or...
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A treatise on concrete, plain and reinforced: materials, construction, and ...

Frederick Winslow Taylor, Sanford Eleazer Thompson - 1905 - 585 Seiten
...with the aid of gentle heat and agitation, until solution is completed. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the steam bath. Silica: The residue, without further heating, is...
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Practical cement testing

W. Purves Taylor - 1905 - 320 Seiten
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. Silica ( SiO<). The residue without further heating is...
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A Hand-book for Cement Users

Charles Carroll Brown - 1905 - 369 Seiten
...with the aid of gentle heat and agitation, until solution is completed. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. Silica. — The residue, without further heating, is treated...
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Practical cement testing

W. Purves Taylor - 1908 - 320 Seiten
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. Silica (SiO8). The residue without further heating is treated...
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Dust Preventives and Road Binders

Prévost Hubbard - 1910 - 416 Seiten
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. SILICA (SiO2). The residue without further heating is treated...
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Manual of the American Railway Engineering Association

American Railway Engineering Association - 1911
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.° The solution is then evaporated to dryness, as far as this may be possible on the bath. • If anything remains undecomposed it should be separated,...
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A Treatise on Cement Specifications: Including the General Use, Purchase ...

Jerome Cochran - 1912 - 101 Seiten
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. * If anything remains undecomposed it should be separated,...
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A manual of cement testing: for the use of engineers and chemists in ...

William Allyn Richards, Henry Briggs North - 1912 - 137 Seiten
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. SILICA (SiO2). The residue without further heating is treated...
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Year-book

1913
...with the aid of gentle heat and agitation until solution is complete. Solution may be aided by light pressure with the flattened end of a glass rod.* The solution is then evaporated to dryness, as far as this may be possible on the bath. Silica (SiO,). — The residue without further heating...
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