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Procedure – Powder/Chip Samples

Prepare the instrument as outlined in the operator's instruction manual.

Login a minimum of three Blank reps.

Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open. Insert a *** Nickel Capsule (leave capsule open) into the open port at top of loading head.

Note: samples using automation should be placed in the appropriate autoloader position before starting the analysis sequence. Once the sequence has started, the automatic analysis will start and end automatically.

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.

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Sample Preparation

Typically, titanium and zirconium samples are chemically etched to remove surface contamination when oxygen and nitrogen are determined. However, etching can introduce hydrogen into the sample.

ASTM method E 1409 "Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert

Gas Fusion Technique", as updated in 1996, permits either etching or abrading (filing) of the test specimen.

ASTM E 1447 "Determination of Hydrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Thermal

Conductivity/Infrared Detection Method" permits surface preparation by abrading (if necessary to remove

contamination). Differences in sample preparation present somewhat of a dilemma regarding simultaneous

determination of O, N, and H in titanium. However, abrading samples with a file to remove surface

contamination will yield accurate O, N, and H results. 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.

Procedure – Powder/Chip Samples

Determine the instrument blank.

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 either manually or remove the crucible and press the analyze button to clean with an automatic cleaner if applicable.

Add approximately 0.05 g of *** Graphite Powder to a 782-720 Graphite Crucible.

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

ONH836氧氮氫分析儀

高頻燃燒紅外檢測技分析無機材料中的碳、硫含量。

采用惰性氣體保護熔融法，提供各種無機材料、鋼鐵、有色金屬、硬質(zhì)合金、難熔金屬、陶瓷等材料中寬范圍的氧氮氫同時分析。

該儀器配置MS Windows®的軟件接口，專為觸摸屏操作定制。長期的開發(fā)研究與客戶反饋相結(jié)合，這個簡單方便的軟件使得用戶可以快速完整訪問儀器控制，分析設(shè)置，故障診斷，數(shù)據(jù)報告， **提高日常分析的效率并節(jié)省用戶寶貴的時間。 可選的Cornerstone® Mobile軟件功能，使得用戶可以在手機，便攜式電腦及臺式電腦上便捷的訪問儀器數(shù)據(jù)，分析曲線圖形以及儀器的狀態(tài)，實現(xiàn)對儀器的遙控。 Cornerstone氫氧氮分析軟件同時支持***的書記文檔格式和可變的報告格式。山東進口分析儀咨詢報價

為可**的Cornerstone 氧氮氧分析軟件采用觸摸屏界面使用戶達到分析控制、15法設(shè)定、在線診斷、數(shù)據(jù)報告。浙江進口分析儀供應(yīng)商

氧氮氫分析儀的原理：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，并通過一個非接觸式的光學(xué)溫度傳感器進行實時監(jiān)控，用于實現(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系統(tǒng)進行檢測。對于CO的檢測采用的是非色散性紅外檢測器，對于N2和H2的檢測則采用熱導(dǎo)檢測器。

氧氮氫分析儀的特點：快速準確分析，自動化操作；精密氣體校準；CO紅外檢測器，高分辨率和重現(xiàn)性的N、H熱導(dǎo)池檢測器；同一臺儀器實現(xiàn)熔融提取和熱提??；熱提取分析時間可調(diào)；可自由選擇溫度*高達2500 °C；光學(xué)溫度計溫度測定和控制；所有檢測器自動調(diào)零/自動水平控制（ALC）；數(shù)據(jù)評估的自動優(yōu)化選擇范圍；爐自動清潔和坩堝自動進樣（可選）；外設(shè)電腦進行操作和控制；樣品信息保存； 所有樣品數(shù)據(jù)可追蹤查詢；通過FTP或本地局域網(wǎng)進行數(shù)據(jù)傳輸； ON，H分析輕松切換。

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