 ... minutes, or longer if the blast is not powerful enough to effect complete conversion to a cement in this time. It is then transferred to an evaporating dish, preferably of platinum for the sake of celerity in evaporation...  Dust Preventives and Road Binders - Seite 97von Prévost Hubbard - 1910 - 416 SeitenVollansicht - Über dieses Buch
 | American Society for Testing Materials - 1920 - 868 Seiten
...longer if the blast is not powerful enough to effect complete decomposition within that time. Transfer to an evaporating dish, preferably of platinum for the sake of celerity in evaporation, mix to a thin slurry with distilled water, add 5 to 10 cc. of concentrated HC1 and digest with aid... | |
 | 1902 - 594 Seiten
...limestone or unburned mixture, strongly ignited in a platinum crucible over the blast for fifteen minutes. It is then transferred to an evaporating dish, preferably...platinum, for the sake of celerity in evaporation, covered with a watch-glass, and 10 cc. of hydrochloric acid, diluted with about 50 cc. of water, added.... | |
 | Charles Carroll Brown - 1902 - 764 Seiten
...limestone or unburned mixture, strongly ignited in a platinum crucible over the blast for 15 minutes. It is then transferred to an evaporating dish, preferably...platinum for the sake of celerity in evaporation, covered with a watch glass and 10 oe of HC1 diluted with about 50 oe of water added. Digestion on the... | |
 | 1909 - 516 Seiten
...Industry, occurs the following : "One half gram of finely powdered substance is to be weighed out. . . . It is then transferred to an evaporating dish, preferably...platinum, for the sake of celerity in evaporation," etc. As a matter of fact, celeritv of evaporation has very little to recommend platinum in comparison... | |
 | Charles Carroll Brown - 1905 - 384 Seiten
...Portland cements by the Committee on Uniformity in Technical Analysis, with the advice of WF Hillebrand. Solution. — One-half gram of the finely powdered...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... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - 1905 - 642 Seiten
...UNIFORMITY IN TECHNICAL ANALYSIS OF THE AMERICAN CHEMICAL SOCIETY, WITH THE ADVICE OF WF HILLEBRAND. Solution: One,half gram of the finely powdered substance...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... | |
 | Edwin Clarence Eckel - 1905 - 800 Seiten
...crucible over a strong blast for fifteen minutes, or longer if the blast is not powerful enough to affect complete conversion to a cement in this time. It is...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.f The solution... | |
 | Richard Kidder Meade - 1906 - 418 Seiten
...ignited for 15 minutes, or longer if the blast is not powerful enough to effect complete conversion to cement in this time. It is then transferred to an...platinum for the sake of celerity in evaporation, and the analysis completed as directed on page 170, by moistening with water and digesting with hydrochloric... | |
 | Richard Kidder Meade - 1906 - 422 Seiten
...ignited for 15 minutes, or longer if the blast is not powerful enough to effect complete conversion to cement in this time. It is then transferred to an...platinum for the sake of celerity in evaporation, and the analysis completed as directed on page 170, by moistening with water and digesting with hydrochloric... | |
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