- 2024-05-20 11:30 220
- 产品价格：面议
- 发货地址：北京石景山鲁谷 包装说明：不限
- 产品数量：不限产品规格：不限
- 信息编号：278367486公司编号：23144693
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液体闪烁体EJ301,EJ309
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EJ-301 exhibits excellent pulse shape discrimination (PSD) properties, particularly for fast neutron counting and spectrometry in the presence of gamma radiation. It is identical to the widely reported NE-213 and exhibits all of the properties of that scintillator.
EJ-309 has been developed as an alternate to the more commonly used low-flash point PSD liquid scintillators based on the solvent xylene. With a flash point of 144°C, it eliminates the fire hazard associated with low-flash point liquid scintillators. While EJ-309 provides slightly poorer PSD characteristics than that of EJ-301, EJ-309 possesses a number of chemical properties recommending it for use in environmentally difficult conditions. These properties include: high flash point, low vapor pressure, low chemical toxicity, and compatibility with cast acrylic plastics. EJ-309 is also available loaded with natural boron as EJ-309B.
PROPERTIES | EJ-301 | EJ-309 |
Light Output (% Anthracene) | 78 | 80 |
Scintillation Efficiency (photons/1 MeV e-) | 12,000 | 12,300 |
Wavelength of Maximum Emission (nm) | 425 | 424 |
Decay Time, Short Component (ns) | 3.2 | ~ 3.5 |
Mean Decay Times of First 3 Componenets (ns) | 3.16 32.3 270 | - |
Bulk Light Attenuation Length (m) | 2.5 - 3 | >1 |
Specific Gravity | 0.874 | 0.959 |
Refractive Index | 1.505 | 1.57 |
Flash Point (°C) | 26 | 144 |
Boiling Point (°C at 1 atm) | 141 | 290-300 |
Vapor Pressure (mm Hg. at 20°C) | 6 | 0.002 |
No. of H Atoms per cm3 (x1022) | 4.82 | 5.43 |
No. of C Atoms per cm3 (x1022) | 3.98 | 4.35 |
No. of Electrons per cm3 (x1023) | 2.27 | 3.16 |
联系电话是18911834780, 主要经营塑料闪烁体、硅微条探测器、法国Photonis的光电倍增管（PMT）、微通道板（MCP）、TOF时间探测（APD）、单通道电子倍增器（SCEM）、中子和伽玛探测器（GND）电子发生器矩阵（EGA）等等。
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