|
二维码（扫一下试试看！） |
| 全自动凯氏定氮仪测定天然橡胶氮含量 |
| Determination of Nitrogen Content in NR by Kjeltec Automatic System |
| |
| DOI： |
| 中文关键词: 全自动凯氏定氮仪 天然橡胶 氮含量 |
| 英文关键词: Kjeltec automatic system NR nitrogen content |
| 基金项目: |
| 中图分类号: |
|
| Hits: 1197 |
| Download times: 1307 |
| 中文摘要: |
| 研究全自动凯氏定氮仪测定天然橡胶（NR）的氮含量。确定全自动凯氏定氮仪测定NR氮含量的优化消化过程试验条件为：试样1.0 g，浓硫酸20 mL，催化剂10 g，420 ℃消化60 min。全自动凯氏定氮仪测定NR氮含量具有操作简便、快速、仪器精密度高和测定值准确度高等特点。 |
| 英文摘要: |
| The study aimed to investigate the determination of nitrogen content in NR by Kjeltec 8400 automatic system.The optimal experimental conditions for sample preparation were as follows：1.0 g of NR sample，20 mL of concentrated sulfuric acid，10 g of catalyst，and treatment at 420 ℃ for 60 min.Compared with the manual method，full automatic system has the advantages of simple operation，short process，high accuracy and high precision. |
|
View Full Text
View/Add Comment Download reader |
| Close |
