湖南元素分析仪厂家报价

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.

通用下电极坩埚支座，容纳各种坩埚使用。湖南元素分析仪厂家报价

Procedure - Solid Samples

Determine the instrument blank.

Repeat steps 2b through 2g a minimum of three times.

Set the blank following the procedure outlined in the operator's instruction manual.

Instrument calibration/drift correction.

Login a minimum of 3 Standard replicates.

Weigh approximately *** grams of a calibration/drift standard, enter the mass and standard identification into appropriate replicate fields.

Note: LECO Reference Materia***o not require preparation.See preparation statement on the reference material certificate.

新疆LECO分析仪价格20位试样自动进样系统。

Procedure - Solid Samples

Instrument calibration/drift correction.

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.

Repeat steps 3b through 3j a minimum of three times for each calibration/drift standard used.

Calibrate/drift following the procedure outlined in the operator's instruction manual.

Procedure – Powder/Chip Samples

Instrument calibration/drift correction.

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.

Repeat steps 3b through 3i a minimum of three times for each calibration/drift standard used.

736 Series: Oxygen/Nitrogen by Inert Gas Fusion

The 736 family of Elemental Analyzers is designed for routine measurement of oxygen and nitrogen content of

inorganic materials, ferrous and nonferrous alloys, andrefractory materials using the inert gas fusion technique.

These instruments feature our Cornerstone brand ® software, a custom interface designed specifically for

touch-screen operation. Developed by combining longterm research with customer feedback, this easy-to-use

software gives you complete access to instrument control, analysis settings, diagnostics, reporting, and more—without sacrificing valuable bench space.

用户友好界面的Cornerstone™ 软件。新疆专业元素分析仪厂家直销

可选具有压力补偿和温度控制性能的标气检测气路。湖南元素分析仪厂家报价

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.

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