Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
naphthalene .
Etymologies
Sorry, no etymologies found.
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Examples
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For example, levels of the flameretardants polybrominated diphenyl ethers (PBDEs), polychlorinated naphthalenes (PCNs), and the pesticide endosulfan are increasingly found in the Arctic.
Climate change, interactive changes and stresses in the Arctic 2010
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Cresols, naphthalenes, and higher hydrocarbons are used as starting materials in the production of synthetic tannins; the former substances or their oxidation products are sulphonated by means of concentrated sulphuric acid, and the tanning matter produced by condensing the sulphonic acids with formaldehyde.
Synthetic Tannins Georg Grasser
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M. Chenel has found this process the best for the analysis of the nitro - naphthalenes, and for impervious substances like collodion or gun-cotton.
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When Chenel endeavoured to apply Jodlbauer's modification of Kjeldahl's process to the examination of the tri - and tetra-nitrated naphthalenes, he found that good results were not obtainable, because these compounds do not dissolve completely in the cold sulphuric acid.
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