| 1844 - 576 Seiten
...common salt 4-5 parts. These proportions are in volume. The normal acid must be poured in a capsule, covered with its glass cover, and a sufficient quantity...heated •with a spirit-lamp, but without attaining the boiling-point. During this operation it is better to stir or move about the acid on the plate by pumping... | |
| 1844 - 580 Seiten
...acid, it Is taken out by means of a glase bolder, lakina care to keep it a» much as possible coverec with the solution, and it is immediately placed horizontally...a stand, and as much acid as the plate can hold is ponrec upon it from the bottle ; it is then heatec with a spirit-lamp, but without reaching the boiling... | |
| 1854 - 412 Seiten
...plate is plunged into acidulated 'water, and moved about therein for a few seconds ; it is then put in the normal acid. When the plate has been immersed...it is immediately placed horizontally upon a stand, alid as much acid as the plate can hold is poured upon it from the bottle ; it is then heated with... | |
| 1854 - 412 Seiten
...plate is plunged into acidulated water, and moved about therein for a few seconds ; it is then put in the normal acid. When the plate has been immersed...upon it from the bottle ; it is then heated with a spirit lamp, but without attaining the boiling point. During this operation it is better to stir or... | |
| 1854 - 438 Seiten
...plate is plunged into acidulated water, and moved about therein for a few seconds ; it is then put in the normal acid. When the plate has been immersed...upon it from the bottle; it is then heated with a spirit lamp, but without attaining the boiling point. During this operation it is better to stir or... | |
| 1854 - 414 Seiten
...plate is plunged into acidulated water, and moved about therein for a few seconds ; it is then put in the normal acid. When the plate has been immersed...upon it from the bottle; it is then heated with a spirit lamp, but without attaining the boiling point. During this operation it is better to stir or... | |
| William Francis, Henry Croft - 1844 - 568 Seiten
...holder, and immediately plunged in the alkaline water, and agitated pretty strongly ; from thence it u put in distilled water. (A) This being done, the plate...heated with a spirit-lamp, but without attaining the boiling-point. During this operation it is better to stir or move about the acid on the plate by pumping... | |
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