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產品簡介:
意大利VELP是世界知名的分析儀器制造商,VELP以其專業和創新力開發和生產了優良的機械和電子產品。VELP從1983年開始設計、生產各種實驗室分析儀器。產品涵蓋食品及飼料系列、攪拌器系列、環保分析系列等,為客戶提供優質、合適的解決方案。
VELP杜馬斯定氮儀——NDA701是VELP公司根據燃燒法開發出的**的氮/蛋白質快速分析、測定儀!目前VELP是世界上**一家擁有凱氏方法和杜馬斯方法定氮儀的公司,是整個分析儀器行業的開拓者!
技術參數:
功能 | 測定氮/蛋白質含量 |
原理 | 高溫燃燒 |
測定時間 | 僅需 3min |
自動化 | 全自動操作 |
樣品處理 | 無需樣品處理 |
樣品要求 | 均一性要求高 |
載氣 | He(氦氣) |
**樣品量 | 微量分析 |
1g | |
檢測下限 | 0.003mg |
重現性 | <0.5% |
反應溫度 | 1200℃ |
化學試劑 | 無 |
環境污染 | 無 |
N測定方法 | TCD檢測器 |
國標規定 | 食品及飼料中蛋白質的檢測 |
行業應用:
l 食品、飼料行業和飲料行業——谷物、奶制品、肉制品、漁產品、動物食品、嬰兒食品、飲料及酒類
l 環境和農業行業——有機物質、土壤、水、廢水、淤泥、植物葉片等
l 制藥和化工行業——塑料制品、石油產品、化妝品、化工品等
Brief Introduction:
The new and completely innovative step forward for nitrogen determination by VELP Scientifica. VELP is now able to offer different solutions for nitrogen determination, from the standard Kjeldahl method to the flash of Dumas combustion. In accordance with the Dumas method, NDA 701 is ideal for high throughput, being fully automated and requiring just 3-4 minutes per analysis.
Technical Parameters:
Method of analysis: | Dumas method / Combustion |
Detector: | Innovative autocalibrating TCD (no need for a reference gas) |
Sample weight: | Up to 1 g |
Autosampler capacity: | Up to 116 samples |
Reproducibility (RSD): | < 0.5% for EDTA standards approx. 100 mg (9.57% N) |
Recovery : | > 99.5% |
Detection range: | 0.1 - 200 mg N |
Detection limit: | 0.003 mg N absolute |
Combustion temperature: | 1030 °C / 1886 °F |
Helium (He): | purity 99.999% (grade 5.0) |
Oxygen (O2): | purity 99.999% (grade 5.0) |
Compressed air or Nitrogen (N2): | purity 99.6 % (oil and water free) |
Helium (He) pressure: | 3 bar |
Oxygen (O2) pressure: | 3 bar |
Compressed air or Nitrogen (N2) pressure: | 4 bar |
Interfaces: | USB, RS232 |
Power: | 1400 W |
Power supply: | 230 V / 50 - 60 Hz |
Weight: | 54 kg / 119 lb |
Dimensions (WxHxD): | 655 x 510 x 410 mm (655 x 690 x 410 mm including autosampler) |
Application:
The NDA 701 is extremely versatile, being suitable for nitrogen and protein determination in several kinds of sample, in accordance with official AOAC, AACC, ASBC, ISO and OIV methods.
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