Optimised method of coal digestion for trace metal determination by atomic absorption spectroscopy
✍ Scribed by E. Ikävalko; T. Laitinen; H. Revitzer
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 31 KB
- Volume
- 363
- Category
- Article
- ISSN
- 1618-2650
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A rapid analytical method has been developed for the determination of such trace elements as beryllium, chromium, copper, lead, manganese, nickel, vanadium and zinc in coal. Coal is combusted in the standard Parr oxygen bomb. When contamination from the bomb wall occurs, the bomb is equipped with a
## Abstract The metal content (Cu, Fe, Ni, Pb) of Finnish margarines manufactured in 1978‐80 were investigated by the flameless atomic absorption spectrophotometry method. Copper, iron and nickel were digested by the dry ashing method whereas for lead both dry ashing and wet ashing were employed. T