 | Sir William Roberts - 1865 - 560 ˹éÒ
...healthy non-saccharine urine and in pure water, and the issue of all was to establish the conclusion that the number of degrees of " density lost " indicated as many grains of sugar per fluid ounce. In the practical application of the method, the ordinary urinometer may be used for taking the densities... | |
 | 1866 - 586 ˹éÒ
...non-saccharine urine, and pure water, and the issue of all was to establish the conclusion, that tfw number of degrees of' density lost' indicated as many grains of sugar per fluid ounce:" truly a beautiful and delicate method of determining the quantity of sugar in diabetic urine. SELECTIONS.... | |
 | John Wickham Legg - 1870 - 102 ˹éÒ
...test tube, when the gas will be quickly absorbed, and the urine again rise in the tube. Estimation by loss of density after fermentation. Dr. Roberts has...of the urine are placed in a 12-ounce bottle with apiece of German yeast of the size of a chesnut. The bottle is then set aside, very lightly covered,... | |
 | Sir James Sawyer - 1870 - 274 ˹éÒ
...observing the density of the urine before and after fermentation. He came to the conclusion, " that the number of degrees of density lost indicated as many grains of sugar per fluid ounce." Dr. Roberts calls this the " differential density method." 5. Estimation of the quantity of the Sugar.... | |
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Roberts has found that after fermentation, " the number of degrees of ' density lost' indicated as many grains of sugar per fluid ounce," and he proposes to estimate by this means the amount of sugar present. About 4 fluid-ounces of the urine are placed... 