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Procedure – Powder/Chip Samples

Instrument calibration/drift correction.

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

Analyze Samples.

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.

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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.

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Procedure - Solid Samples

Instrument calibration/drift correction.

Place the calibration/drift standard in a *** Nickel Basket, and if applicable, place the sample into the appropriate autoloader position.

Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open.

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.

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.

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Instrument calibration/drift correction.

a. Login a minimum of 3 Standard replicates.

b. Weigh a ~1.000 gram of a calibration/drift standard, enter the mass and standard identification into appropriate replicate fields.

c. Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open.

d. Place the calibration/drift standard into the open port at the top of the loading head.

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

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仪器的亮点和优势：

特点和优势

·炉头区域LED照明系统

·炉头快速拆装的粉尘过滤装置

·装有自动旁路阀的可快速拆装氧水捕集装置

·**的动态流量补偿（DFC）保证热导池气体流量、压力恒定

高效脉冲炉冷却系统

·强力内循环水冷装置热交换效率

·双直流风扇保证持续冷却，不受电压波动的影响

·***电极炉头设计，提高脉冲炉

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

·高效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

改进的红外检测池技术

·***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性

·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 浙江LECO氧氮氢分析仪厂家供应