 | 1916 - 1072 σελίδες
...the preservation of the integrity of the sample. Quantity repre- 4. A gross sample shall be taken for each 500 tons or less, or in case of larger tonnages for such quantities as may be agreed upon. Preparation. 5. After the gross sample has been collected, it shall be systematically crushed, mixed,... | |
 | H. S. B. W. Cochrane Corporation, Philadelphia - 1918 - 286 σελίδες
...preservation of the integrity of the sample. 4. Quantity Represented. — A gross sample shall be taken for each 500 tons or less, or in case of larger tonnages for such quantities as may be agreed upon. 5. Preparation. — After the gross sample has been collected, it shall be systematically crushed,... | |
 | 1918 - 992 σελίδες
...of the integrity of the sample. 4. A gross sample shall be taken for each 500 tons or less, Quantity or in case of larger tonnages, for such quantities as may be agreed R«P'»ientedupon. TABLE I. 5. After the gross sample has been collected, it shall be Cruihing. systematically... | |
 | Alfred Holmes White - 1920 - 348 σελίδες
...should be made for the preservation of the integrity of the sample. 4. A gross sample shall be taken for each 500 tons or less, or in case of larger tonnages, for such quantities as may be agreed upon. 1 Bulletin 116 and Technical Paper 133 by Ceo. S. Pope. 2 ASTM Standards issued by American Society... | |
 | Francis Rawle Wadleigh - 1921 - 196 σελίδες
...American Society for Testing Materials, adopted, in 1916, a standard method for sampling coal, as a reThe official description is given herewith in full. For...in Sample Before Division, in. 1000 or over 1 5000 % 850 Va 125 % 60 % 30 3/16 or 4-mesh screen Crushing 5. After the gross sample has been collected,... | |
 | 1921 - 936 σελίδες
...Slit of Increments. Collection of 4. A gross sample shall be taken for each 500 tons or less, Quantity or in case of larger tonnages, for such quantities as may be agreed R'P™"*0' upon. 5. After the gross sample has been collected, it shall be cnuhiag. systematically... | |
 | 1926 - 360 σελίδες
...the preservation of the integrity of the sample. 4. A gross sample shall be taken for each 500 tans or less or in case of larger tonnages, for such quantities as may be agreed upon. 5. After the gross sample has been collected, it shall be systematically crushed, mixed, and reduced... | |
 | 1922 - 264 σελίδες
...should be made for the preservation of the integrity of the sample. 4. A gross sample shall be taken for each 500 tons or less or in case of larger tonnages, for such quantities aa may be agreed upon. TABLE I. Weight of Sample Largest Size of Coal and Impurities to be Divided,... | |
 | Augustus Herman Gill - 1925 - 210 σελίδες
...should be made for the preservation of the integrity of the sample. 4. A gross sample shall be taken for each 500 tons or less, or in case of larger tonnages for such quantities as may be agreed upon. For the crushing and further sampling see Chapter VIII. The following arc the essential features of... | |
 | Cochrane Corporation (Philadelphia) - 1928 - 816 σελίδες
...preservation of the integrity of the sample. 4. Quantity Represented. — A gross sample shall be taken for each 500 tons or less, or in case of larger tonnages for such quantities as may be agreed upon. 5. Preparation.— After the gross sample has been collected, it shall be systematically crushed, mixed,... | |
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When coal is extremely lumpy, it is best to break a proportional amount of the lumps before taking the various increments of a sample. Provision should be made for the preservation of the integrity of the sample. 
