Procedure – Powder/Chip Samples
Instrument calibration/drift correction.
Calibrate/drift following the procedure outlined in the operator's instruction manual.
Login Sample with the appropriate number of reps.
Weigh approximately *** grams of appropriately prepared sample into a *** Nickel Capsule, enter mass and sample identification into appropriate rep fields. If applicable, place the nickel capsule in the
appropriate autoloader position.
Repeat steps 3c through 3i for sample analysis.
Sample Preparation
Sampling and sample preparation of refractory metals such as titanium and zirconium is somewhat different from that of steel. Unlike steel samples, hydrogen is not as mobile in this group of materials; therefore, storage in liquid nitrogen or dry ice is not required. However, it is important to keep the sample cool when cutting or sectioning. Sample preparation for oxygen and nitrogen determination has beendifferent from that of hydrogen determination.
美国LECO分析仪哪家好通用下电极坩埚支座,容纳各种坩埚使用。
美国LECO力可氧氮氢分析仪ONH836(氧氮氢联测仪)系列硬件部分
特点和优势
1、炉头区域LED照明系统
2、炉头快速拆装的粉尘过滤装置
3、装有自动旁路阀的可快速拆装氧水捕集装置
4、**的动态流量补偿(DFC)保证热导池气体流量、压力恒定
5、改进的红外检测池技术
新红外池的恒温绝热技术消除了外界环境温度的干扰
长寿命的红外发射光源和无漂移的电路设计保证红外检测池的长期稳定
氧高低双量程采用3个碳红外检测器,同时检测一氧化碳和二氧化碳,保证准确定量
6、高效脉冲炉冷却系统
强力内循环水冷装置
双直流风扇保证持续冷却,不受电压波动的影响
新电极炉头设计,提高脉冲炉热交换效率
7、全自动分析系统(可选)
自动清扫装置
20位或100位全自动分析系统
高速全自动真空除尘装置直接将粉尘排至仪器外部捕集器中,消除环境污染
ONH836氧氮氢分析仪
高频燃烧红外检测技分析无机材料中的碳、硫含量。
采用惰性气体保护熔融法,提供各种无机材料、钢铁、有色金属、硬质合金、难熔金属、陶瓷等材料中宽范围的氧氮氢同时分析。
该仪器配置MS Windows®的软件接口,专为触摸屏操作定制。长期的开发研究与客户反馈相结合,这个简单方便的软件使得用户可以快速完整访问仪器控制,分析设置,故障诊断,数据报告, **提高日常分析的效率并节省用户宝贵的时间。 可选的Cornerstone® Mobile软件功能,使得用户可以在手机,便携式电脑及台式电脑上便捷的访问仪器数据,分析曲线图形以及仪器的状态,实现对仪器的遥控。 氧氮氢分析仪怎么选?欢迎联系上海禹重科技,我司产品质量保证,欢迎咨询!
氧氮氢分析仪的使用注意事项:
1 、氧氮氢分析仪在初次启用前,应该对连接点、焊点、阀门等进行检漏,以确保空气中的氧不会反渗进入管道及仪器内部,造成测量数值偏高。
2、再次使用仪器前,要进行管道系统净化,将漏入的空气除干净,同时确保连接取样管路时没有漏入空气。
3、样气中氧含量的变化会受管道材质及表面粗糙度影响,因此一般连接管路选用铜管或抛光过的不锈钢管,而不用塑料管、橡胶管等。
4、微量元素分析时,要避免各种管件、阀门、表头等死角对样气造成污染,因此必须尽可能的简化气路系统,连接件死角要小,以防止溶解氧逸出造成污染,使用水封、油封及腊封等设备,才能较好的确保数据的。
氧高低双量程采用3个碳红外检测一氧化碳和二氧化碳,保证准确定量。浙江进口分析仪厂家直销
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。北京美国LECO氧氮氢分析仪优惠价格
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.
北京美国LECO氧氮氢分析仪优惠价格
SamplePreparationSamplingandsamplepreparationofref
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