Atomic absorption determination of yttrium in the nitrous oxide-acetylene flame
β Scribed by R.W. Cattrall; S.J.E. Slater
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 411 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0003-2670
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C:onventional flame emission and ntomic nbst3rl>tic3n slwctrt3sct3I3ic techniques rely on tlte l3rcscnce of an atomic valwur of the clement tc3 ix determined. I~ctrclcmcnts such as zinc and cxtdmium tliis is readily achieved with cool flames, e.g. air-acetylene. However, significant :~tomisntion of
Premixed flat flames of acetylene-nitrous oxide were stabilized on a perforated, water cooled burner, 3 in. in diameter. A rich flame (C2H2: 27%, N20: 73%) was stabilized at 20 mm Hg and a lean flame (C2H2: 9%, N20:91%) at 45 mm Hg. Temperature profiles and concentration profiles of free radicals an