 | Manuel Eissler - 1890 - 412 Seiten
...five minutes. A ring of moisture will about this time be deposited upon the sides of the test tube a little above the cover of the bath ; the glass rod...is now closely watched. The test is complete when a very faint brown coloration makes its appearance at the line of boundary between the dry and moist... | |
 | Percy Gerald Sanford - 1896 - 378 Seiten
...five minutes. A ring of moisture will about this time be deposited upon the sides of the test tube, a little above the cover of the bath. The glass rod...is now closely watched. The test is complete when a very faint brown coloration makes its appearance at the line of boundary between the dry and moist... | |
 | Manuel Eissler - 1897 - 512 Seiten
...top of the test-tube, but clear of the cork, until the tube has been immersed for about five minutes. bottom of the ring of moisture in the tube ; the paper...is now closely watched. The test is complete when a very faint brown colouration makes its appearance at the line of boundary between the dry and moist... | |
 | 1898 - 540 Seiten
...five minutes. A ring of moisture will about this time be deposited upon the sides of the test-tabe a little above the cover of the bath ; the glass rod...is now closely watched. The test is complete when a very faint brown coloration makes its appearance at the line of boundary between the dry and moist... | |
 | Alfred Henry Allen - 1898 - 396 Seiten
...lower margin of the moistened part of the paper is on a level with the bottom of the ring of nioisture in the tube ; the paper is now closely watched. The test is complete when a very faint brown coloration makes its appearance at the line of boundary between the dry and moist... | |
 | H. Joshua Phillips - 1902 - 552 Seiten
...five minutes. A ring of moisture will about this time be deposited upon the sides of the test tube a little above the cover of the bath; the glass rod...is now closely watched. The test is complete when a very faint brown coloration makes its appearance at the line of boundary between the dry and moist... | |
 | Alfred Henry Allen - 1910 - 670 Seiten
...of the solution equals that produced by Nessler reagent in 100 cc of water containing 0.000235 8rm. of ammonium chloride. With this solution lines are...the first insertion of the test-tube in the water at 170°?. and the production of the standard tint constitutes the test, and this interval of time must... | |
 | Arthur Marshall - 1917 - 674 Seiten
...must then be lowered intil the lower margin of the moistened part of the paper is on a level with he bottom of the ring of moisture in the tube ; the paper is now watched Schultze E С Powder and other sporting powders. Cordite and other rifle powders. closely.... | |
 | 1908 - 404 Seiten
...glass rod must then bp lowered until thn lower margin of the moistened part of the paper is on a levol with the bottom of the ring of moisture in the tube ; the pnpprisnow close' y watcher). The tpst is complete when the faint brown line, which makes its appearance... | |
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A ring of moisture will about this time be deposited upon the sides of the test tube a little above the cover of the bath ; the glass rod must then be lowered until the lower margin of the moistened part of the paper is on a level with the bottom of the... 