Methods are described for the determination of ultratrace amounts of copper and cadmium in seawater by graphite furnace atomic absorption spectrometry with flow-injection, microcolumn preconcentration. A new type of \(\mathrm{C}_{18}\) column loaded with sodium diethyldithiocarbamate (sodium-DDC) wa
Flow injection on-line separation and preconcentration for electrothermal atomic absorption spectrometry. Part 1. Determination of ultratrace amounts of cadmium, copper, lead and nickel in water samples
โ Scribed by Sperling, Michael; Yin, Xuefeng; Welz, Bernhard
- Book ID
- 121011198
- Publisher
- Royal Society of Chemistry
- Year
- 1991
- Tongue
- English
- Weight
- 799 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0267-9477
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๐ SIMILAR VOLUMES
ment factor of 47 in comparison with direct injection of 45 lL aqueous solution was obtained at a sampling frequency of 31 h โซ1ืโฌ . The detection limit (3 r) was found to be 2.8 ng L โซ1ืโฌ . The precision was 3% relative standard deviation (RSD) at the 0.2 lg L โซ1ืโฌ level (n โซืกโฌ 11). The results obta
Resins synthesized from qumohn-b-01 and resorcmol or hydroqmnone, with furfuraldehyde, formaldehyde or benzaldehyde as cross-hnkmg agent, were used for the preconcentrafion of nanogram amounts of lead The rate of exchange and activation energy of lead exchange were calculated Column separations of l