Standards and Specifications for Nonmetalic Minerals and Their Products ... April, 1930U.S. Government Printing Office, 1930 - 680 Seiten |
Häufige Begriffe und Wortgruppen
100 square feet acid aggregate American Society American Standards Association apparatus approximately asbestos asphalt bath beaker bituminous bituminous materials bomb bottle bottom broken stone burner calorimeter carbon disulphide carbon tetrachloride cement cent clean coal coal-tar coating coke color condenser container cooled cork cover crucible cubic cylinder determined diameter distilled water Federal Specifications Board felt filter flame flash point flask fuel gasoline glass Gooch crucible grade gravel grease gross sample gypsum heat hydrochloric acid hydrometer ignition inch laboratory less liquid lubricating maximum method of test mineral minutes mixture moisture naphtha oven Passing percentage petroleum placed plaster pounds pycnometer residue roll roofing sand saponification saturated screen serial designation shingles sieve sieve analysis slag slate Society for Testing solution specific gravity standard method stopper suitable sulphur surface taken temperature Testing Materials thermometer tion tube vapor viscosity washed waterproofing weight width wire
Beliebte Passagen
Seite 288 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Seite 85 - ... standard method of test for distillation of gasoline, naphtha, kerosene and similar petroleum products...
Seite 297 - Packages varying more than 5 per cent from the specified weight may be rejected; and if the average weight of packages in any shipment, as shown by weighing 50 packages taken at random, is less than that specified, the entire shipment may be rejected.
Seite 291 - ... and quickly formed into a ball with the hands, completing the operation by tossing it six times from one hand to the other, maintained about 6...
Seite 306 - Concrete shall be handled from the mixer to the place of final deposit as rapidly as practicable by methods which shall prevent the separation or loss of the ingredients. It shall be deposited in the forms as nearly as practicable in its final position to avoid rehandling.
Seite 317 - Standard Specifications and Tests for Portland Cement of the American Society for Testing Materials.
Seite 295 - Cement shall not be rejected on account of failure to meet the fineness requirement if upon retest after drying at 100° C.
Seite 355 - NH3, or until there is but a faint odor of it, and the precipitate iron and aluminum hydrates, after settling, are washed once by decantation and slightly on the filter. Setting aside the filtrate, the precipitate, is dissolved in hot dilute HC1, the solution passing into the beaker in which the precipitation was made. The aluminum and...
Seite 248 - ... in accordance with the specifications and requirements, or used as directed for other purposes.
Seite 291 - The consistency of standard mortar shall depend on the amount of water required to produce a paste of normal consistency from the same sample of cement. Having determined the normal consistency of the sample, the consistency of standard mortar made from the same sample shall be as indicated in Table I, the values being in percentage of the combined dry weights of the cement and standard sand. TABLE I— PERCENTAGE OF WATER FOR STANDARD MORTARS XII. DETERMINATION OF SOUNDNESS* 42.