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Excerpt from Analyses of Waters of the Yellowstone National Park
For the determination of hydrogen sulphide Special samples of from 600 cm3. To 700 cm3. Were generally taken, and to each, if the water did not carry free sulphur, was added before corking and sealing a small amount of lead acetate in crystals. Doubtless it might have been well to fix the hydrogen sulphide Similarly in the case of waters carrying, free sulphur, having first separated this by filtration; but on the few occasions when that need arose the means of removing the sulphur were not at hand. In these cases, therefore, the samples were simply’ bottled and sealed with care, and kept for examination in the labora~ tory.
Publisher : Forgotten Books (August 24, 2018)
Language : English
Hardcover : 96 pages
ISBN-10 : 033140169X
ISBN-13 : 978-0331401691
Item Weight : 9.9 ounces
Dimensions : 5.98 x 0.25 x 9.02 inches
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