 | John Butler Johnson - 1918 - 884 halaman
...be carried out in the field as follows: "Fill a 12-oz. graduated prescription bottle to the 4j-oz. mark with the sand to be tested. Add a 3 per cent...shaking, amounts to 7 oz. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid. ... If the clear supernatant liquid... | |
 | M. O. Withey, James Aston - 1918 - 1322 halaman
...be carried out in the field as follows: "Fill a 12-oz. graduated prescription bottle to the 4j-oz. mark with the sand to be tested. Add a 3 per cent...shaking, amounts to 7 oz. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid. ... If the clear supernatant liquid... | |
 | George A. Hool, Nathan C. Johnson - 1918 - 924 halaman
...Fill a 12-oi. graduated prescription bottle to the 4>6-oz. mark with the sand to be tested. Add a 3% solution of sodium hydroxide until the volume of the...shaking, amounts to 7 oz. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid. 1 In approximate field tests it is not... | |
 | GEORGE A. HOOL,S.B. - 1918 - 982 halaman
...Fill a 12-oz. graduated prescription bottle to the 4H-oz. mark with the sand to be tested. Add a 3% solution of sodium hydroxide until the volume of the...shaking, amounts to 7 oz. Shake thoroughly and let ptand over night. Obser/e the color of the clear supernatant liquid. " In approximate field tests it... | |
 | George A. Hool, Nathan C. Johnson - 1918 - 1056 halaman
...Fill a IZ-oi. graduated prescription bottle to the 4}4-o«. mark with the sand to be tested. Add a 3 % solution of sodium hydroxide until the volume of the sand and solution, after shaking, amounts to 7 01. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid. "... | |
 | Prévost Hubbard - 1919 - 408 halaman
...mark with the sand to be tested. Add a 3-per-cent solution of sodium hydroxide until the volume of sand and solution after shaking amounts to 7 oz. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid. If this liquid is colorless, or has... | |
 | Herbert Fisher Moore - 1920 - 336 halaman
...is carried out in the field as follows: "Fill a 12-oz. graduated prescription bottle to the 4^-oz. mark with the sand to be tested. Add a 3 per cent. solution of sodium hydroxide (NaOH) until the volume of the sand and solution, after shaking, amounts to 7 oz. Shake thoroughly... | |
 | 1920 - 558 halaman
...to the 4^2-ounce mark with the sand to be tested. A 3 per cent solution of sodium hydroxide is added until the volume of the sand and solution, after shaking, amounts to 7 ounces. It is then shaken thoroughly and allowed to stand 24 hours. A good idea of the quality of the... | |
 | Georgia. Department of Mines, Mining, and Geology - 1921 - 460 halaman
...12-ounce graduated prescription bottle is filled to the 4J^-ounce mark with sand. To this is added a 3 per cent solution of sodium hydroxide until the...the sand and solution, after shaking, amounts to 7 ounces. This is then shaken thoroughly and allowed to stand over night. If the liquid in the bottle,... | |
 | Livingston Pierson Teas - 1921 - 462 halaman
...12-ounce graduated prescription bottle is filled to the 4J^-ounce mark with sand. To this is added a 3 per cent solution of sodium hydroxide until the...the sand and solution, after shaking, amounts to 7 ounces. This is then shaken thoroughly and allowed to stand over night. If the liquid in the bottle,... | |
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Fill a 12-oz. graduated prescription bottle to the 4j-oz. mark with the sand to be tested. Add a 3 per cent solution of sodium hydroxide until the volume of the sand and solution, after shaking, amounts to 7 oz. Shake thoroughly and let stand over night.... 
