What does flame test mean?
Definitions for flame test
flame test
This dictionary definitions page includes all the possible meanings, example usage and translations of the word flame test.
Wiktionary
flame testnoun
in qualitative inorganic analysis, a simple test for the presence of a range of metallic elements based on the colour imparted to a flame by a sample
Wikipedia
Flame test
A flame test is an analytic procedure used in chemistry to detect the presence of certain elements, primarily metal ions, based on each element's characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color.
Wikidata
Flame test
A flame test is an analytic procedure used in chemistry to detect the presence of certain elements, primarily metal ions, based on each element's characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color. The test involves introducing a sample of the element or compound to a hot, non-luminous flame, and observing the color that results. Samples are usually held on a platinum wire cleaned repeatedly with hydrochloric acid to remove traces of previous analytes. The compound is usually made into a paste with concentrated hydrochloric acid, as metal halides, being volatile, give better results. Different flames should be tried to avoid wrong data due to "contaminated" flames, or occasionally to verify the accuracy of the color. In high-school chemistry courses, wooden splints are sometimes used, mostly because solutions can be dried onto them, and they are inexpensive. Nichrome wire is also sometimes used. When using a splint, one must be careful to wave the splint through the flame rather than holding it in the flame for extended periods, to avoid setting the splint itself on fire. The use of cotton swab or melamine foam as a support have also been suggested. Sodium is a common component or contaminant in many compounds and its spectrum tends to dominate over others. The test flame is often viewed through cobalt blue glass to filter out the yellow of sodium and allow for easier viewing of other metal ions.
Numerology
Chaldean Numerology
The numerical value of flame test in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of flame test in Pythagorean Numerology is: 2
Translations for flame test
From our Multilingual Translation Dictionary
- लौ परीक्षणHindi
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"flame test." Definitions.net. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.definitions.net/definition/flame+test>.
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