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- W2599468939 abstract "Utilization of methylamine as CO2 absorbent to measure carbon-14 activity of coral sample has been done. The objective of this research is to Determine the age of Coral Sample through Activity Measurements of carbon-14 with LSC (Liquid Scintillation Counting) method. Sample were taken from Langkai Island which is far from human activities. Sample preparation includes physical and chemical leaching to produce a clean white sample. Carbon in the sample was released as CO2 by reaction with HCl 10 % and than absorbed by methylamine yield carbamate compound. Absorbed carbon in 1 mL absorber was 0,044 g from the results of weight reduction before and after absorption. The specific activity of the coral sample was 14.56 DPM/g C. Age of the coral sample based on the specific activity was 408.48 ± 43.69 years." @default.
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- W2599468939 date "2015-04-01" @default.
- W2599468939 modified "2023-09-23" @default.
- W2599468939 title "UTILIZATION OF METHYLAMINE COMPOUND AS CO2 ABSORBENTS FOR" @default.
- W2599468939 cites W1512554819 @default.
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- W2599468939 doi "https://doi.org/10.20956/mca.v16i1.953" @default.
- W2599468939 hasPublicationYear "2015" @default.
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