flame test

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flame test

n
(Chemistry) a test for detecting the presence of certain metals in compounds by the coloration they give to a flame. Sodium, for example, turns a flame yellow
Translations

flame test

n (Chem) → test m inv alla fiamma
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Year Six pupils from Mount Pleasant Primary School in Lockwood investigated flame tests of various metal ions, making sparklers and burning magnesium ribbon.
All three enable passing the UL-1685 FT-4 and UL-1666 riser flame tests for more complex cable constructions.
UL 94 includes 12 flame classifications based on the results of small-scale flame tests.
Meanwhile, an expert from the Green Science Policy Institute called for a smolder test, pointing to her research that showed a link between open flame tests and more toxic chemicals in the environment.
Students participated in taking finger prints, flame tests The activities were linked to the science curriculum and were designed to enhance students' learning and progress in the subject.
The 11 to 14-year-old school pupils from across the North West took part in the annual Salters' Festival of Chemistry, which involved the use of flame tests to solve the murder mystery devised by experts at the university.
The VW1 and 1061 cable flame tests are affected by the wire and cable design, for instance, the insulation wall thickness, the jacket wall thickness and the number of insulated wires.
Today's electronic assemblies seldom are subjected to direct flame tests, but dust and salt spray are among the many types of environmental tests often applied, especially when qualifying mil/aero and automotive equipment.
It maintains its usefulness during exposure to cobalt 60 radiation at dosages of 200 Mrads, withstands cryogenic to 300[degrees]F temperatures, and meets the fire requirements of UL-94 V-0 vertical flame tests.
materials flammability flame tests non-combustible self-extinguishing thermal load non-flammable material toxicity and halogen-free materials corrosiveness of combustion products service life flexure and torsion combination of design and endurance, abrasion materials selection resistance environmental and combination of design and climatic aspects materials selection installation flexibility finely stranded conductors, soft plastics handling size miniaturization characteristics termination compatibility with specialized (hybrid) specialized configurations connectors
Magnetic properties, density - and even the shape and colour of sparks formed by application of a grinding wheel, as well as flame tests, can all give important information.