北京进口分析仪厂家供应

Summary

The determination of the amount of oxygen, nitrogen, and hydrogen in iron, steel, nickel-, and cobalt-base alloys represents some of the most important quality metrics for these materials. Oxygen is used to create steel from pig iron by removing excess carbon. Oxygen content must be controlled to limit the amount of carbon monoxide that can be formed during solidification which may cause excessive porosity. Nitrogen is considered both an impurity as well as an important alloying agent. Itcan be present as a nitride or interstitially in its gaseous form. Increased nitrogen content is known to increase yield and tensile strength, thus decreasing ductility and formability. Excessive levels may evolve during solidification thus increasing porosity. High hydrogen content is the primary cause of embrittlement, blistering and flaking due to its high

mobility through the lattice and provides no potential alloying benefits. The ONH836 utilizes a high-power

electrode furnace to quickly and efficiently release the target gases from within the sample, which allows

for a very rapid simultaneous determination of oxygen, nitrogen, and hydrogen.

Cornerstone氧氮氢分析软件分成4个主要部分：分析、诊断、设定、仪器，界面可快速导航和组织。北京进口分析仪厂家供应

氧氮氢分析仪的原理：分析样品在惰性气流存在下于石墨坩埚中加热熔融，其中脉冲炉温度可自由设定，并通过一个非接触式的光学温度传感器进行实时监控，用于实现样品的完全分解，反应所生成的CO H2和N2被带入到具有高稳定性和灵敏度的检测系统进行检测。对于CO的检测采用的是非色散性红外检测器，对于N2和H2的检测则采用热导检测器。

氧氮氢分析仪的特点：快速准确分析，自动化操作；精密气体校准；CO红外检测器，高分辨率和重现性的N、H热导池检测器；同一台仪器实现熔融提取和热提取；热提取分析时间可调；可自由选择温度*高达2500 °C；光学温度计温度测定和控制；所有检测器自动调零/自动水平控制（ALC）；数据评估的自动优化选择范围；炉自动清洁和坩埚自动进样（可选）；外设电脑进行操作和控制；样品信息保存； 所有样品数据可追踪查询；通过FTP或本地局域网进行数据传输； ON，H分析轻松切换。

北京进口分析仪厂家供应高性能的红外检测器配置***恒温绝热技术，消除了外界环境温度的干扰。

ONH836系列：氧氮氢分析仪（熔融法）

软件特点和优势

Cornerstone氧氮氢分析软件分成4个主要部分：分析、诊断、设定、仪器，界面可以快速导航和组织。工具条、滑动条和下拉式菜单简化了校正和数据处理的参数设定。分析软件同时包括实时的环境参数的监测，提供完整的系统图表模拟。高级诊断程序包括全数字化的在线操作手册、维护模拟演示、图片说明等提供快速指导。Cornerstone氧氮氢分析软件同时支持***的数据文档格式和可变的报告格式。

Procedure - Solid Samples

Press the Analyze button on the instrument screen again, the loading head slide-block will close and the lower electrode will open.

Clean the upper and lower electrode manually, or, if applicable, remove the crucible and press the analyze button to clean with the automatic cleaner

Add approximately 0.05 g of *** Graphite Powder to a *** Graphite Crucible.

Firmly place the crucible on the lower electrode tip or appropriate autoloader position.

Press the Analyze button on the instrument screen, the lower electrode will close and the analysis sequence will start and end automatically

Instrument Highlights and Features

Features and Benefits

LED light ring illuminates the furnace area

Choice of either argon or helium carrier gas

Novel electrode design increases heat transfer efficiency for increased stability

Non-touch interface systems are also available

User-friendly brand software

High-Performance Detector Design

Thermostatic construction provides increased protection from ambient temperature fluctuations

Optimized emitter control and detection circuitryimproves the IR cell lifetime and long-term stability,

resulting in superior accuracy and precision

Infrared detection for the determination of oxygen, thermoconductivity detection for the determination

of nitrogen

***电极炉头设计，提高脉冲炉热交换效率。北京进口分析仪厂家供应

简化日常分析所需的炉头进样部分机械维护工作。北京进口分析仪厂家供应

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