THE SPECTROGRAPHIC DETERMINATION OF TOTAL BARIUM IN BONE ASH
Journal Article
·
· Analytica Chimica Acta (Netherlands)
Samples of bone ash are mixed with graphite and anhydrous copper sulphate as spectrographic buffer and lanthanum oxide as internal standard. The mixture is pressed into 30-mg pellets and burnt in a d-c arc surrounded by a mantle of oxygen and argon. The spectra are evaluated by non-recording microphotometry. The effective concentration range is 2 to 25 ppm of barium in the ash, and the coefficient of variation is 8% for single exposures at the 8-ppm level. (auth)
- Research Organization:
- Atomic Energy Research Establishment, Woolwich Outstation, Eng.; and Royal Arsenal, London
- NSA Number:
- NSA-16-025286
- OSTI ID:
- 4818819
- Journal Information:
- Analytica Chimica Acta (Netherlands), Journal Name: Analytica Chimica Acta (Netherlands) Vol. Vol: 26; ISSN ACACA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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