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Spectrometer
  • SPRK-OES JB-750 Optical Emission Spectroscopy
  • SPRK-OES JB-750 Optical Emission Spectroscopy
  • SPRK-OES JB-750 Optical Emission Spectroscopy
  • SPRK-OES JB-750 Optical Emission Spectroscopy
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SPRK-OES JB-750 Optical Emission Spectroscopy

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Hotline: +86-400-858-0166
Fax: +86-510-84060385
This apparatus is widely used in material analysis of various industries, such as iron and steel, non-ferrous metal, metallurgy, machinery, chemical equipment, quality inspection system and so on. It is also used in blast furnace analysis, routine identification and analysis in metallic smelt industry.
 

Introduction:

Optical emission spectroscopy (OES), also called atomic emission spectroscopy (AES) or arc spark emission spectroscopy, is an important tool for fast and accurate elemental analysis of metals and semiconductors.

Optical emission spectrometry involves applying electrical energy to a metal sample to excite the evaporated and vaporized atoms. In this case, "applying electrical energy" means an electrical discharge between the sample and an opposing electrode.

 

Spectral lines:

These excited atoms and ions in the discharge plasma create a unique emission spectrum for the element, as shown on the right. It can be seen that even a single element generates numerous emission spectral lines.

Therefore, the light generated by the discharge can be said to be a collection of the spectral lines generated by the elements in the sample. This light is split by a diffraction grating to extract the emission spectrum for the target elements. The intensity of each emission spectrum depends on the content of the element in the sample. The detectors (photomultiplier tubes) measure the absence or presence of the spectrum extracted for each element and the intensity of the spectrum to perform the qualitative and quantitative analysis of the elements.

 

In the broader sense, optical emission spectrometry includes ICP optical emission spectrometry that uses an inductively coupled plasma (ICP) as the excitation source. The terms "optical emission spectrometry" or "photoelectric optical emission spectrometry," however, generally refer to optical emission spectrometry using spark discharge, direct-current arc discharge, or glow discharge as excitation discharge.

 

JB-750 optical emission spectrometers feature Pulse Distribution Analysis (PDA) to enhance the measurement reproducibility (accuracy). This method involves statistically processing the emissions from the spark pulses obtained from spark discharges in an argon atmosphere. The optical emission spectrometer achieves rapid elemental analysis of solid metal samples, making it an indispensable instrument for the control of steel making and aluminum metallurgy processes.

 

Allocating and analyzing channel and quantitative work scale

Main Parameters

Excitation light source:

Supply voltage: 50Hz, 220V ± 1%

Input power: 1.0KVA

Charging capacitor: pre-combustion 8μF, exposure 1.5μF

Peak Current: pre-combustion 100A, exposure 20A

The main circuit peak pressure: 300VDC (with automatic adjustment of peak pressure)

Ignition circuit: pulse amplitude: +15 KV

Auxiliary gap: Using Tunnel Diode

Discharge frequency: 200 Hz ~ 600 Hz

Sample sets of gap: 4mm

Spectrometer:

Analysis band range: 130 ~ 650nm

Machine engraved concave grating: Curvature radius of 750mm

Depicts the density: 1667/mm

Incidence angle: 35 degrees

Allows a maximum of channels: 36 (expandable to 64 channels)

Spectrometer Local temperature: 35 °C ± 0.5 °C

Control System:

Measurement and Control System: The single board computer measurement and control, data exchange with the Host Computer

Reproducibility: RSD ≤ 0.2%

Photomultiplier tube high voltage power supply:

Stability: 8 hours is better than 0.5%

 Software

 

[Next product:JB-750 photomultiplier spark optical emission spectrometer]


Contact Ebayturbo
Wuxi Jiebo Electrical Technology Co.,Ltd.

Tel:+86-400-858-0166

FAX :+86-510-84060385

Phone:+86-18118915623

E-mail : sales@wxjiebo.cc

Address :Head Office: 35# Weier North Road, Qianqiao Development Area, Wuxi, Jiangsu, China

 

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About Ebaywxjiebo
Wuxi Ebay wxjiebo Co., Ltd.

Tel:+86-400-858-0166

Fax:+86-510-84060385

Phone:+86-18118915623

Email: sales@wxjiebo.cc

Add:Head Office: 35# Weier North Road, Qianqiao Development Area, Wuxi, Jiangsu, China