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The use of the method of continuous variation for the classification of complexes with mole ratio 1:1

✍ Scribed by K.S. Klausen; F.J. Langmyhr

Publisher: Elsevier Science
Year: 1963
Tongue: English
Weight: 406 KB
Volume: 28
Category: Article
ISSN: 0003-2670
DOI: 10.1016/s0003-2670(00)87242-6

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✦ Synopsis

INTERFERENCE IN.'FLAME PHOTOMETRY OF Sr AND Ba 335 formed before the cation enters the flame. Appropriate addition of lanthanum restores the three alkaline earth lines to their intensities in absence of phosphate, the lanthanum displacing.the alkaline earths from their phosphates before the hot region of the flame is reached. RESUME L'influencc du phosphate lors du dosage du calcium, du strontium et du baryum,.par photom&rie de flamme, ,a 6tt5 examinee. La diminution d'intensit6 de 1'8mission est proportionnelle B la teneur y dc l'anion g&mnt.' Le lanthanc ,deplace lcs alcalino-tctieux de lours phosphates'et ainsi permet dc retrouver l'intensit6 (obtenuc cn l'absence dc phosphate) de ces trois bldments. ZUSAMMENFASSUNG Beschreibung eincr Untersuchung tibcr den storenclen Einfluss von Phosphat bci der flammenphdtomctrischcn Bestimmung von Calcium, Strontium und Barium. Es wurde gcfunden. 'dass die durch Phosphat vcrursachtc Abnahme der Emissionsintensitit durch Zugabc von Lanthan verhindert werden kann. REFERENCES

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