Alcoholmetry. Part 3
Description
This section is from the "Encyclopedia Of Practical Receipts And Processes" book, by William B. Dick. Also available from Amazon: Dick's encyclopedia of practical receipts and processes.
Alcoholmetry. Part 3
56. Table to find the true percentage of Absolute Alcohol / Glass Hydrometer
56. Table to find the true percentage of Absolute Alcohol in a liquid of any temperature from the observed percentage indicated by the Glass Hydrometer at the same temperature.
True per ct. of Alcohol by Volume. | Observed per | cent, indicated by the Glass Hydrometer. | |||||||||
30° | 35° | 40° | 45° | 50° | 55° | 65° | 70° | 75° | 80° | 85° | |
0 | —0.2 | —0.4 | —0.4 | —0.5 | —0.4 | —0.2 | +0.2 | +0.6 | +1.0 | +1.4 | +1.9 |
5 | +4.6 | +4.5 | +4.5 | +4.5 | +4.6 | +4.8 | 5.3 | 5.8 | 6.2 | 6.7 | 7.3 |
10 | 9.1 | 9.0 | 9.1 | 9.2 | 9.3 | 9.7 | ■ 10.4 | 11.0 | 11.6 | 12.3 | 13.0 |
15 | 13.0 | 13.1 | 13.3 | 13.6 | 14.1 | 14.5 | 15.6 | 16.3 | 17.1 | 18.0 | 19.0 |
20 | 16.5 | 16.9 | 17.4 | 17.9 | 18.5 | 19.2 | 20.8 | 21.8 | 22.9 | 23.9 | 25.0 |
25 | 19.8 | 20.5 | 21.3 | 22.2 | 23.0 | 24.1 | 25.9 | 27.1 | 28.3 | 29.5 | 30.7 |
30 | 23.3 | 24.3 | 25.5 | 26.5 | 27.6 | 28.8 | 31.2 | 32.3 | 33.5 | 34.6 | 35.9 |
35 | 27.7 | 28.9 | 30.2 | 31.4 | 32.6 | 33.8 | 36.3 | 37.5 | 38.6 | 39.7 | 40.9 |
40 | 32.5 | 33.8 | 35.1 | 36.5 | 37.7 | 38.9 | 41.2 | 42.4 | 43.5 | 44.6 | 45.8 |
45 | 37.8 | 39.1 | 40.3 | 41.5 | 42.7 | 43.8 | 46.2 | 47.3 | 48.5 | 49.6 | 50.8 |
50 | 43.1 | 44.2 | 45.4 | 46.6 | 47.7 | 48.9 | 51.1 | 52.2 | 53.4 | 54.5 | 55.6 |
55 | 48.3 | 49.4 | 50.5 | 51.6 | 52.8 | 53.9 | 56.1 | 57.2 | 58.3 | 59.4 | 60.5 |
60 | 53.4 | 54.5 | 55.6 | 56.7 | 57.8 | 58.9 | 61.1 | 62.2 | 63.3 | 64.4 | 65.5 |
65 | 58.4 | 59.5 | 60.6 | 61.7 | 62.8 | 63.9 | 66.0 | 67.1 | 68.2 | 69.3 | 70.4 |
70 | 63.5 | 64.6 | 65.7 | 66.8 | 67.9 | 69.0 | 71.0 | 72.1 | 73.2 | 74.3 | 75.4 |
75 | 68.6 | 69.7 | 70.7 | 71.8 | 72.9 | 74.0 | 76.0 | 77.1 | 78.2 | 79.2 | 80.3 |
80 | 73.7 | 74.8 | 75.8 | 76.9 | 78.0 | 79.0 | 81.0 | 82.1 | 83.1 | 84.1 | 85.2 |
85 | 78.8 | 79.8 | 80.9 | 81.9 | 83.0 | 84.0 | 86.0 | 87.0 | 88.0 | 89.0 | 90.0 |
90 | 84.0 | 85.1 | 86.1 | 87.1 | 88.1 | 89.1 | 91.0 | 91.9 | 92.8 | 93.7 | 94.6 |
Thus, if the Hydrometer indicated 59.4 per cent, in a liquid at 80° Fah., the table in No. 57 would give its true percentage (richness) to 55 per cent.; that is, 100 volumes of the liquid at 80° contains 55 volumes of alcohol. Tralles' Hydrometer gives the per cent, by volume only. If it be desired to know the per cent, by weight, it may be ascertained from the percentage in volume of the liquid at 60° Fah. by table in No. 57.
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