SIMULTANEOUS HYDROTHERMAL DECOMPOSITION AND DERIVATIZATIONS - GAS-CHROMATOGRAPHY MASS-SPECTROMETRY FOR THE CHARACTERIZATION OF POLYAMIDES
文献类型：期刊论文
| 作者 | ONISHI, A; UCHINO, S; OGURI, N; JIN, XG |
| 刊名 | ANALYTICAL SCIENCES
 |
| 出版日期 | 1994-04-01 |
| 卷号 | 10期号:2页码:271-276 |
| 关键词 | Hydrothermal Decomposition Acetylation Curie-point Heating Gas Chromatography Mass Spectrometry Polyamide Methylation |
| ISSN号 | 0910-6340 |
| 英文摘要 | A new method which allows a rapid hydrothermal decomposition of polyamides and simultaneous derivatizations, followed by an on-lined Curie-point heating-gas chromatography/mass spectrometry analysis is reported. The reactions were carried out in a sealed glass capillary with an acidic medium of hydrochloric acid (35%wt)/methanol/acetic anhydride 2.5:40:60, wt) at near-critical pressure and temperature (235-degrees-C). About 0.1 mg of polyamides, including diamine-dicarboxylic acid and omega-aminoalkanoic acid-types, were decomposed in this acidic medium to diamines, dicarboxylic acids and omega-aminoalkanoic acids; the simultaneous methylation of the acids and acetylation of the amines was performed within 5 min in a single step. The characteristic peaks of dimethyl dicarboxylates, methyl dicarboxylates and diacetyl diamines shown in their chromatograms definitely corresponded to the molecular compositions of the polyamides. The influence of the reaction reagent on the chromatograms and the quantitative reproducibility are also described. |
| 语种 | 英语 |
| WOS记录号 | WOS:A1994NF05700007 |
| 出版者 | JAPAN SOC ANALYTICAL CHEM |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/43775]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | ONISHI, A |
| 作者单位 | CHINESE ACAD SCI,INST CHEM,BEIJING 100080,PEOPLES R CHINA |
| 推荐引用方式 GB/T 7714 | ONISHI, A,UCHINO, S,OGURI, N,et al. SIMULTANEOUS HYDROTHERMAL DECOMPOSITION AND DERIVATIZATIONS - GAS-CHROMATOGRAPHY MASS-SPECTROMETRY FOR THE CHARACTERIZATION OF POLYAMIDES[J]. ANALYTICAL SCIENCES,1994,10(2):271-276. |
| APA | ONISHI, A,UCHINO, S,OGURI, N,&JIN, XG.(1994).SIMULTANEOUS HYDROTHERMAL DECOMPOSITION AND DERIVATIZATIONS - GAS-CHROMATOGRAPHY MASS-SPECTROMETRY FOR THE CHARACTERIZATION OF POLYAMIDES.ANALYTICAL SCIENCES,10(2),271-276. |
| MLA | ONISHI, A,et al."SIMULTANEOUS HYDROTHERMAL DECOMPOSITION AND DERIVATIZATIONS - GAS-CHROMATOGRAPHY MASS-SPECTROMETRY FOR THE CHARACTERIZATION OF POLYAMIDES".ANALYTICAL SCIENCES 10.2(1994):271-276. |
入库方式： OAI收割
来源：化学研究所
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