性能列表 |
ViscoStar |
microViscoStar |
微分粘度 |
灵敏度(最小可检测样品) |
100 ng of 100 kDa polystyrene in THF at 1 mL/min, under typical GPC conditions
|
5 ng of 100 kDa polystyrene in THF at 1 mL/min, under typical UHPLC conditions
|
噪音 |
< 0.05 Pa |
< 0.05 Pa |
Differential pressure range |
6.9 kPa,防止超压 |
6.9 kPa,防止超压 |
动态范围 |
135,000:1 |
135,000:1 |
线性关系 |
满量程的0.5% |
满量程的0.5% |
压差漂移 |
< 2.5 Pa/hr |
< 1.25 Pa/hr |
毛细管桥自动平衡 |
保温的、无泄漏机制 |
保温的、无泄漏机制 |
样品剪切速率 |
5000 Hz,水 @ 1 mL/min |
15000 Hz,水 @ 1 mL/min |
流体力学 |
最大流量 |
水相: 1.5 mL/min; THF: 3 mL/min |
水相: 1 mL/min; THF: 1 mL/min† |
延迟体积选项 |
8.1, 5.4, or 2.7 mL (标准); 16.2 mL(可选)* |
5.4 mL* |
进出口最大允许压力 |
690 kPa |
3000 kPa |
管路材料 |
316 stainless steel, PTFE, zirconium silicate, Kalrez®, Inconel, 26-1 Stainless Steel |
316 stainless steel, PTFE, zirconium silicate, Kalrez®, Inconel, 26-1 Stainless Steel, Nickel |
温度控制 |
范围 |
4°C ~ 70°C |
4°C ~ 70°C |
稳定性 |
<0.005°C |
<0.005°C |
环境范围 |
0°C ~ 40°C, 20% ~ 70% RH |
0°C ~ 40°C, 20% ~ 70% RH |