 Introduce 10 cubic centimeters of a 50% honey solution into a test tube and add 5 cubic centimeters of ether. Shake gently and let stand for some time until the ether layer is clear. Transfer 2...  Bulletin - Bureau of Chemistry - Pàgina 11per United States. Bureau of Chemistry - 1912Visualització completa - Sobre aquest llibre
 | United States. National Bureau of Standards - 1942 - 840 pàgines
...ether. Shake gently and allow to stand for some time until the ether layer is clear. Transfer 2 ml of this clear ether solution to a small test tube and add a large drop of the recently prepared resorcinol solution. Shake, and note the color immediately. A cherry-red... | |
 | Roger Castle Griffin - 1921 - 696 pàgines
...test tube and add 5 cc. of ether. Shake gently and let stand for some time until the ether layer is clear. Transfer 2 cc. of this clear ether solution to a small test tube and add a large drop of the resorcinol solution. Shake and note the color immediately. In the presence of artificial... | |
 | Association of Official Analytical Chemists - 1925 - 582 pàgines
...test tube and add 5 cc ether. Shake gently and allow to stand for some time until the ether layer i- d Transfer 2 cc. of this clear ether solution to a small test tube and add a large dn the recently prepared resorcin solution. Shake, and note the color immediatrly. cherry red... | |
 | Roger Castle Griffin - 1927 - 970 pàgines
...a test-tube and addScc. of ether. Shake gently and let stand for some time until the ether layer is clear. Transfer 2 cc. of this clear ether solution to a small test-tube and add a large drop of the fresh resorcin solution. Shake and note the color immediately.... | |
 | 1942 - 848 pàgines
...ether. Shake gently and allow to stand for some time until the ether layer is clear. Transfer 2 ml of this clear ether solution to a small test tube and add a large drop of the recently prepared resorcinol solution. Shake, and note the color immediately. A cherry-red... | |
 | Association of Official Analytical Chemists - 1917 - 414 pàgines
...cc. of a 50% honey solution in a test tube and run in 5 cc. of ether on top. Shake contents gently and allow to stand for some time until the ether layer...clear ether solution to a small test tube and add a large sized drop of the resorcin solution. Shake and note immediately the color. Results. — In the... | |
 | Association of Official Analytical Chemists - 1915 - 662 pàgines
...and run in 5 cc. of ether on top. Shake contents vigorously and allow to stand for some time until ether layer is perfectly clear; transfer 2 cc. of...and add a large-sized drop of the resorcin solution. Shake and note the color immediately. Results. — In the presence of artificial invert sugar the drop... | |
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