Thermo Scientific™ 8000 系列二氧化硅尺寸标准微球是一种可以用于仪器校准和用作间隔剂的单分散二氧化硅微球，使用包含这种粒子的溶液可以获得更高的持久性和化学稳定性。这类产品经校准并获得平均直径具有 NIST 溯源的认证证书，广泛适用于微粒测定领域。
描述
特点：
- 标准品设计生产的目的在于满足对单分散无机微粒有需求的领域。
- 不透明球体在光束和电子束中可以提供比聚合物粒子更高的对照性；如玻璃、二氧化硅微粒的密度比聚苯乙烯微粒的密度要大得多。
- Improved Array Method for Size Calibration of Monodisperse Spherical Particles by Optical Microscope
- Internal Standard Method for Size Calibration of Sub-Micrometer Spherical Particles
- Particles Technology Catalog
NIST Traceable Size Standards Product Specifications
Particles Technical Reference Guide
8000系列二氧化硅标准微粒参数特点：
材质: Amorphous silica
微球密度: 1.8 to 2.2g/cm3
折射指数: 1.40 to 1.46 @ 589nm (25°C)
Content: 15mL at 2% solids by weight
Stability: Product stable for a minimum of 24 months
Additive: None
Includes: Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage Requirements: Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination. Do not sonicate silica microspheres.
| 货号 | nominal diameter公称直径 | 包装单位 | mean diameter平均直径 | 粒径分布 |
| 8050 | 0.5µm | 15ml | 0.49µm ± 0.02µm | σ = 0.02µm, 4.1% CV |
| 8070 | 0.7µm | 15ml | 0.73µm ± 0.02µm | σ = 0.03µm, 4.1% CV |
| 8100 | 1.0µm | 15ml | 0.99µm ± 0.02µm | σ = 0.02µm, 2.0% CV |
| 8150 | 1.5µm | 15ml | 1.57µm ± 0.02µm | σ = 0.04µm, 2.5% CV |