 | George Henry Hurst - Lubricants - 1904 - 216 pages
...110° to 120°C., for about three to four hours ; take the basin out, allow to cool in a dessicator, then weigh it. Next replace it in the oven for about...transparent soaps, a little of the spirit be left in, and this will also be volatilised and reckoned with the water. To take an example — Grms. "Weight... | |
 | William Henry Seamon - Assaying - 1910 - 282 pages
...300. Water of Hydration. Heat two grams of the clay in a platinum crucible in the flame of a gas lamp until there is no further loss of weight. The loss of weight is calculated as combined water. CHAPTER XXXI COAL AND COKE The determinations usually made of these... | |
 | George Henry Hurst - Oils and fats - 1921 - 220 pages
...oven, heated to about 105° C., for about two to three hours; take the basin out, allow to cool in desiccator, then weigh it. Next replace it in the...loss of weight may be taken as water, although, if transparent soap is under examination, a little of the spirit may be left in, and this will also be... | |
 | Adelbert Philo Mills - Building materials - 1926 - 456 pages
...chips,. After careful weighing these are heated in an oven held at approximately 99° C. (210° F.) until there is no further loss of weight. The loss of weight (water content) divided by the " oven-dry weight," expressed as per cent, is known as the moisture... | |
 | Adelbert Philo Mills - Building materials - 1926 - 456 pages
...chips. After careful weighing these are heated in an oven held at approximately 99° C. (210° F.) until there is no further loss of weight. The loss of weight (water content) divided by the " oven-dry weight," expressed as per cent, is known as the moisture... | |
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... then weigh it. Next replace it in the oven for about an hour, again allow to cool, and weigh it ; repeat these operations until there is no further loss of weight. The loss of weight may be taken as water, although, if in transparent soaps, a little... 