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氧氮?dú)浞治鰞x
氧氮?dú)浞治鰞x是一種用于材料科學(xué)領(lǐng)域的儀器,于2016年03月09日啟用。
技術(shù)指標(biāo)
測(cè)量范圍: ON 低氧0.0-300ppm OH 低氧0.0-300ppm 高氧0.0-2% 高氧0.0-2% 低氮0.0―300ppm 低氫0.0-50ppm 高氮0.0-2% 高氫0.0-1000ppm 靈敏度: 氧0.01ppm;氮0.1ppm;氫0.01ppm。
主要功能
該儀器配置有16位微處理器和兩個(gè)**的分別檢測(cè)高氧和低氧的 紅外檢測(cè)池。氮和氫通過(guò)雙重范圍的熱導(dǎo)檢測(cè)池測(cè)量。分析過(guò)程中可自動(dòng)實(shí)現(xiàn)從 低范圍到高范圍的切換。樣品在高功率脈沖爐的石墨坩堝中加熱可達(dá)3000℃以上 高溫,脈沖爐采用循環(huán)水冷卻。該儀器具有靈敏度高、性能好、測(cè)量范圍寬和分 析結(jié)果準(zhǔn)確可靠等優(yōu)點(diǎn)。ONH-2000氧氮?dú)浞治鰞x是為快速、準(zhǔn)確測(cè)定銅、鋼、鑄 鐵、合金、鈦、鎳、鉬、鋯、陶瓷和其它無(wú)機(jī)材料中氧、氮、氫的含量而專(zhuān)門(mén)設(shè)計(jì) 制造的。 氧氮?dú)浞治鰞x選哪家?給你推薦上海禹重科技!安徽分析儀哪家好
Software Features & Benefits
Cornerstone brand software is divided into four main sections—Analysis, Diagnostics, Settings, and Instrument—for simplified navigation and organization. Toolbars, sliders, and drop-down menus makeit easy to set parameters for calibration and data processing. The software also includes real-time ambient monitors, with fully animated system diagrams. Advanced diagnostic features include a thorough digital on-board manual, maintenance animations, photo illustrations, and screen captures that quickly provide the direction needed without having to refer to multiple manuals. also Cornerstone supports extended data archiving and flexible reporting capabilities. 安徽分析儀哪家好通用下電極坩堝支座,容納各種坩堝使用。
Determine the instrument blank.
a. Login a minimum of 3 Blank replicates.
b. Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open.
c. Press the Analyze button on the instrument screen again, the loading head slide-block will close and the lower electrode will open.
d. Clean the upper and lower electrode manually, or, if applicable, remove thecrucible and press the analyze button to clean with the automatic cleaner.
e. Firmly place a graphite crucible on the lower electrode tip.
f. Press the Analyze button on the instrument screen, the lower electrode will close and the analysis sequence will start and endautomatically.
g. Repeat steps 2b through 2f a minimum of three times.
h. Set the blank following the procedure outlined in the operator's instruction manual.
氧氮?dú)浞治鰞x的原理:分析樣品在惰性氣流存在下于石墨坩堝中加熱熔融,其中脈沖爐溫度可自由設(shè)定,并通過(guò)一個(gè)非接觸式的光學(xué)溫度傳感器進(jìn)行實(shí)時(shí)監(jiān)控,用于實(shí)現(xiàn)樣品的完全分解,反應(yīng)所生成的CO H2和N2被帶入到具有高穩(wěn)定性和靈敏度的檢測(cè)系統(tǒng)進(jìn)行檢測(cè)。對(duì)于CO的檢測(cè)采用的是非色散性紅外檢測(cè)器,對(duì)于N2和H2的檢測(cè)則采用熱導(dǎo)檢測(cè)器。
氧氮?dú)浞治鰞x的特點(diǎn):快速準(zhǔn)確分析,自動(dòng)化操作;精密氣體校準(zhǔn);CO紅外檢測(cè)器,高分辨率和重現(xiàn)性的N、H熱導(dǎo)池檢測(cè)器;同一臺(tái)儀器實(shí)現(xiàn)熔融提取和熱提??;熱提取分析時(shí)間可調(diào);可自由選擇溫度*高達(dá)2500 °C;光學(xué)溫度計(jì)溫度測(cè)定和控制;所有檢測(cè)器自動(dòng)調(diào)零/自動(dòng)水平控制(ALC);數(shù)據(jù)評(píng)估的自動(dòng)優(yōu)化選擇范圍;爐自動(dòng)清潔和坩堝自動(dòng)進(jìn)樣(可選);外設(shè)電腦進(jìn)行操作和控制;樣品信息保存; 所有樣品數(shù)據(jù)可追蹤查詢(xún);通過(guò)FTP或本地局域網(wǎng)進(jìn)行數(shù)據(jù)傳輸; ON,H分析輕松切換。
無(wú)需人工干預(yù)的全自動(dòng)清掃系統(tǒng)。
Oxygen, Nitrogen, and Hydrogen in Refractory Metals
Summary
One of the most critical chemical specifications of titanium alloys is the hydrogen content. Too high of a
hydrogen content can cause hydrides to precipitate, which can lead to embrittlement and subsequent
cracking when the alloy is stressed. Hydrogen pickup typically occurs during downstream processing steps
such as heat treating, pickling, and cleaning.
The LECO ONH836 is a simultaneous oxygen, nitrogen, and hydrogen determinator that utilizes an electrode furnace, inert carrier gas, and both infrared and thermal conductivity detection to meet the analytical needs of the refractory metal industry.
This application note was written specifically for use with the LECO ONH836 series determinator.
穩(wěn)固的爐頭試樣加載結(jié)構(gòu)。安徽分析儀哪家好
Procedure - Solid Samples:
--Instrument calibration/drift correction.
Place the nickel basket containing the calibration/drift standard into the open port at the top of the loading head.
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.