位置:首页 > 产品中心
硅粉末, 45μm最大粒度
品牌:Goodfellow
纯度含量:99.998%
产地:英国


产品介绍
订货号包装规格
Weight
934-941-7710 g
867-722-0220 g
465-256-2050 g
649-536-14100 g

产品参数

High Purity[纯度]99.998%
Maximum Particle Size[最大粒度]45μm
Weight[重量]10 g - 100 g
Typical Analysis(典型分析)
Al<5 PPM
Ca1 PPM
Cu<5 PPM
Fe5 PPM
Physical Properties(物理性质)
Boiling point ( C )2355
Density ( g cm⁻3 )2.340   @20℃
Mechanical Properties(机械性能)
Bulk modulus ( GPa ) ( Polycrystalline )100.0
Hardness - Mohs ( Polycrystalline )7.00
Material conditionPolycrystalline
Poisson's ratio ( Polycrystalline )0.420
Tensile modulus ( GPa ) ( Polycrystalline )113.00
Atomic Properties(原子属性)
Atomic number14
Atomic weight ( amu )28.08550
Crystal structureDiamond
Electronic structureNe3s23p2
Ionisation potential ( No./eV )5 / 167
Ionisation potential ( No./eV )1 / 8.15
Ionisation potential ( No./eV )2 / 16.3
Ionisation potential ( No./eV )3 / 33.5
Ionisation potential ( No./eV )4 / 45.1
Ionisation potential ( No./eV )6 / 205
Natural isotope distribution ( Mass No./% )30 / 3.10
Natural isotope distribution ( Mass No./% )29 / 4.67
Natural isotope distribution ( Mass No./% )28 / 92.23
Photo-electric work function ( eV )4.20
Thermal neutron absorption cross-section ( Barns )0.1600
Valences shown4
Electrical Properties(电气特性)
Electrical resistivity ( μOhmcm )23x101⁰@20℃
Thermal emf against Pt (cold 0C - hot 100C) ( mV )-41.56
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻1 )4.700 - 7.600 @0-100℃
Latent heat of evaporation ( J g⁻1 )13700
Latent heat of fusion ( J g⁻1 )1650.00
Melting point ( C )1410.00
Specific heat ( J K⁻1 kg⁻1 )703.0   @25℃
Thermal conductivity ( W m⁻1 K⁻1 )80.00 - 150.00 @0-100℃

易燃

与火焰接触后点燃的化学品,或与水接触后逸出高度易燃气体的化学品。

Goodfellow(顾特服)
相关产品:
| 首页 | 联系我们 | 会员服务 | 推广服务 | 友情链接 |
版权所有 CopyRight © 2008-2025 粤ICP备08119708号