Zetasizer Ultra纳米粒度仪

粒径测量和分子尺寸

测量原理：动态光散射Dynamic light scattering (Non-Invasive Back-Scatter - NIBS)

Dynamic light scattering (13°, 173°)

Multi-Angle Dynamic Light Scattering (MADLS)

测量角度：173°, 13°, 90° ¹

测量范围：0.3 nm - 10 μm (diameter) ²

zei小样品体积：3 μL

浓度范围：

Minimum sample concentration ³: 

NIBS (173°)：0.1 mg/mL

Forward angle (13°): 5 mg/mL 

Side angle (90°): 1 mg/mL 

MADLS: 1 mg/mL

zei高样品浓度 ⁴ ⁵:  40% w/v 

Zeta电位

测量原理：Mixed-mode measurement, phase analysis light scattering (M3-PALS)

尺寸范围：3.8 nm – 100 μm (diameter) ²

zei小样品体积：20 μL ⁶

浓度范围：1 mg/mL ³ - 40% w/v ⁴ ⁵

样品导电性范围：Maximum: 260 mS/cm 

准确度：± 10%

颗粒浓度

浓度范围：30nm gold: 1 x 10⁸ - 1 x 10¹² particles/mL

系统

检测器：Avalanche photodiode

温控范围：Purge facility using dry air/nitrogen ⁷

尺寸 (W, D, H): 322 mm x 565 mm x 245 mm

重量：19 kg

供电：AC 100-240 V, 50-60 Hz, 4.0 A

功耗：Max. 100 W, 45 W typical

环境条件：+10°C to +35°C (+50°F to +95°F) 35% - 80% RH (non-condensing)

接口：USB 2.0 or higher

注意

Notes:

1. Water as sample dispersant; 

2. Peak mode range (diameter) 0.6 nm - 10 μm; sample & sample preparation dependent; 

3. Measured using 15 kDa protein; 

4. Sample-dependent; 

5. Measured using bile acid; 

6. Using diffusion barrier method; 

7. Temperature accuracy 0.1°C at 25°C, 0.2°C at 0°C, 0.5°C at 90°C, 2.5°C at 120°C