 ... operations are not confined to obtaining the highest possible temperature; other phenomena must be produced, which require a less intense heat. A very important point in pyrognostic assays is the power of producing at will the phenomena of oxidation...  Journal of the Royal Geological Society of Ireland - Side 220af Royal Geological Society of Ireland - 1862Fuld visning - Om denne bog
 | Thomas Gill (patent-agent) - 1822 - 498 sider
...point of the flame, where all the combustible particles are soon saturated with oxygen : the farther we recede from the flame, the better the oxidation is effected (provided we can keep up sufficient heat); too great V heat often produces a contrary effect, especially when the assay is supported... | |
 | Jöns Jakob Berzelius - 1822 - 426 sider
...point of the flame, where all the combustible particles are soon saturated with oxygen ; the farther we recede from the flame, the better the oxidation is effected (provided we can keep up sufficient heat) ; too great a heat often produces a contrary effect, especially when the assay is... | |
 | 1822 - 442 sider
...point of the flame, where all the combustible particles are soon saturated with oxygen; the farther we recede from the flame, the better the oxidation is effected (provided we can keep up sufficient heat); too great a heat often produces a contrary effect, especially when the assay is supported... | |
 | Jöns Jakob Berzelius (friherre) - 1822 - 402 sider
...point of the flame, where all the combustible particles are soon saturated with oxygen ; the farther we recede from the flame, the better the oxidation is effected (provided we can keep up sufficient heat) ; too great a heat often produces a contrary effect, especially when the assay is... | |
 | 1822 - 490 sider
...point of the flame, where all the combustible particles are soon saturated with oxygen ; the farther we recede from the flame, the better the oxidation is effected (provided we can keep up sufficient heat;) too great a heat often produces a contrary effect, especially when the assay is supported... | |
 | William Beloe, Thomas Fanshaw Middleton, William Rowe Lyall, Robert Nares - 1823 - 700 sider
...point of the flame where all the combustible particles are soon saturated with oxygen : the farther we recede from the flame, the better the oxidation is effected, (provided we can keep up sufficient heat): too great a heat often produces a contraryeffect, especially when the assay is supported... | |
 | 1862 - 400 sider
...the maximum degree of heat, we must neither blow too strongly nor too gently; and we should bear in mind that ourpyrognostie operations are not confined...it a little further from the flame. 2. Reduction. — Seduction or de-oxidation is best effected in the brilliant part of the flame, immediately beyond... | |
 | Aquilla Smith - 1862 - 78 sider
...phenomena must be produced, which require a less intense heat. A very important point in pyroguostic assays is the power of producing at will the phenomena...by holding it a little further from the flame. 2. Reaction. — Reduction or de-oxidation is best effected in the brilliant part of the flame, immediately... | |
 | Aquilla Smith - 1862 - 80 sider
...assays is the power of producing at will the phenomena of oxidation and reduction, both of which arc easily effected, although diametrically the reverse...it a little further from the flame. 2. Reduction. — lleduction or de-oxidation is best effected in the brilliant part of the flame, immediately beyond... | |
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