 | William Kendrick Hatt, Walter Charles Voss - 1921 - 570 halaman
...given below. Method for Field Tests. "Fill a 12-ounce graduated prescription bottle to the 4J ounce 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 ounces. Shake thoroughly... | |
 | William Kendrick Hatt, Walter C. Voss - 1921 - 570 halaman
...the <H ounce 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 ounces. Shake thoroughly and let stand over night. Observe the color of the clear supernatant liquid.... | |
 | David Talbot Day - 1922 - 1042 halaman
...may be applied in the field as follows: Fill a 12"'inee graduated prescription bottle to the 4j-ounce mark with the sand to be tested. Add a 3 per cent solution of sodium hydroxide until the volume of sand and solution, 'f'T shaking, amounts to 7 ounces. Shake thoroughly and let stand for twenty-four... | |
 | 1922 - 1362 halaman
...has been allowed to stand for a few hours. Fill a 12-oz. graduated preerrrtion bottle to the 4^-oz. mark with the sand to be tested. Add a 3 per cent aolutior sodium hydroxide until the volume of the sand and solution, after shaking, amount- • 7 ounces.... | |
 | Edward Ezra Bauer - 1928 - 408 halaman
...quartering or by use of a sample splitter. Fill one 12-oz. bottle to the 4J^-oz. mark with sand. Add 3 per cent solution of sodium hydroxide until the volume of the sand and solution amounts to 7 oz. Shake thoroughly. Allow to stand 24 hours. Compare color of clear liquid above the... | |
 | Edward Ezra Bauer - 1928 - 372 halaman
...quartering or by use of a sample splitter. Fill one 12-oz. bottle to the 4}£ oz. mark with sand. Add 3 per cent solution of sodium hydroxide until the volume of the sand and solution amounts to 7 oz. Shake thoroughly. Allow to stand 24 hours. Compare color of clear liquid above the... | |
 | Edward Nathan Zern - 1928 - 1290 halaman
...4^-oz. mark with the sand to be tested. Add a 3 % 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 supernatant liquid. If the clear supernatant liquid is colorless,... | |
 | 1920 - 572 halaman
...been allowed to stand for a few hours. Fill a 12-ounce graduated prescription bottle to the 454 ounce mark with the sand to be tested. Add a 3 per cent...the sand and solution, after shaking, amounts to 7 ounces. Shake thoroughly and let stand for twenty-four hours. Observe the color of the clear liquid... | |
 | 1918 - 736 halaman
...quoted. For field use, fill a graduated 12-02. prescription bottle to the 4l/2 oz. mark with sand, add a 3 per cent, solution of sodium hydroxide until the volume of sand and solution after shaking amounts to 7 ozs. Shake thoroughly and allow to stand over night. If... | |
 | Arthur Hastings Grant, Harold Sinley Buttenheim - 1919 - 674 halaman
...impurities are detected as follows: "Fill a 12-ounce graduated prescription bottle to the 454-ounce 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 ounces. Shake thoroly... | |
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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.... 
