 ... cm. deep in a beaker placed in a good light on black glass or black glazed paper must appear dark and free from opalescence when viewed from above. Any necessary mode of filtration may be employed, but if such filtration causes any appreciable loss...  A Dictionary of Applied Chemistry - Page 98by Thomas Edward Thorpe - 1922Full view - About this book
 | Henry Richardson Procter - 1908 - 496 pages
...C. 2. Total Solubles. — These must be determined by the evaporation of a measured quantity of the solution previously filtered till optically clear...visible through at least 5 cm. thickness, and a layer of I cm. deep in a beaker placed in a good light on black glass or black glazed paper must appear dark... | |
 | Hugh Garner Bennett - 1909 - 452 pages
...as possible. 2. "Total so/uWcs" must be determined by the evaporation of a measured quantity of the solution previously filtered till optically clear...bright object such as an electric light filament must bo distmctly visible through at least a cms. thickness, and a layer of 1 cm. deep in a beaker placed... | |
 | Hugh Garner Bennett - 1909 - 452 pages
...possible. 2. " Total soluhli-x" must be determined by the evaporation of a measured quantity of the solution previously filtered till optically clear...and transmitted light; that is, a bright object such us an electric light filament must be distmctly visible through at least o cms. thickiH'ss, and a layer... | |
 | Alfred Henry Allen - 1911 - 732 pages
...must be estimated by the evaporation of a measured quantity of the solution previously filtered until optically clear both by reflected and transmitted...visible through at least 5 cm. thickness, and a layer of i cm. deep in a beaker placed in a good light on black glass or black glazed paper must appear dark... | |
 | Alfred Henry Allen - 1911 - 730 pages
...must be estimated by the evaporation of a measured quantity of the solution previously filtered until optically clear both by reflected and transmitted...visible through at least 5 cm. thickness, and a layer of r cm. deep in a beaker placed in a good light on black glass or black glazed paper must appear dark... | |
 | Alfred Henry Allen - 1911 - 730 pages
...must be estimated by the evaporation of a measured quantity of the solution previously filtered until optically clear both by reflected and transmitted...visible through at least 5 cm. thickness, and a layer of i cm. deep in a beaker placed in a good light on black glass or black glazed paper must appear dark... | |
 | Georg Lunge - 1914 - 586 pages
...IALTC, it is permitted to concentrate in vacuo to the required strength. 2 Colltgium, 1908, p. 333. optically clear both by reflected and transmitted...filament, must be distinctly visible through at least 5 cc thickness and a layer I cm. deep in a beaker placed in a good light on black glass, or black glazed... | |
 | Arthur Harvey - 1920 - 226 pages
...Paragraph 2. The total solubles must be determined by the evaporation of a measured quantity of the solution previously filtered till optically clear...filament must be distinctly visible through at least 5 cms. thickness and a layer of 1 cm. deep in a beaker placed in a good light on black glass or black... | |
 | Georg Grasser - 1922 - 160 pages
...exceeding 50° C. 2. The total solubles must be determined by the evaporation of a measured quantity of the solution previously filtered till optically clear, both by reflected and transmitted light. This is obtained when a bright object such as an electric light filament is distinctly visible through... | |
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