Dionex Aquion(AQ) 离子色谱（IC）系统参数指标

检测到ppb 级别的阴离子和阳离子

检测频率zei高可达100 Hz

分辨率可达0.00238 nS/cm

耐压能力可达10 MPa

耐高压、耐酸碱，兼容0-100% 有机溶剂

Analytical Pump and Fluidics

Type:  Serial dual-reciprocating pistons, microprocessor-controlled constant stroke, variable speed

Construction:  Chemically inert, metal-free PEEK pump heads and flow paths compatible with aqueous eluents of  pH 0–14 and reversed-phase solvents

Pump Operating Pressure:  0–35 MPa (0–5000 psi)

Flow Rate Range:  0.00–5.00 mL/min without changing pump heads

Flow Precision:  <0.1%, typically

Flow Accuracy:  <0.1%, typically 

Pressure Ripple:  <1% at 13.8 MPa (2000 psi) and 1.0 mL/min

Eluent On-Off Valve:  Standard

Piston Seal Wash:  Dual-pump head, wash can be continuous when connected to rinse solution supply

Pressure Alarm Limits:  Upper limit 0–35 MPa or 0–5000 psi in one unit (MPa or psi) increments; lower limit can be set up  to one unit lower than upper limit

Vacuum Degas:  Yes, optional, automatic control

Eluent Bottles:  Polypropylene, up to 4 L volume

Eluent Bottle Pressure:  Not required

Injection Valve:  6-port, 2-position Rheodyne valve, electrically activated

Columns Supported:  2, 3, 4, and 5 mm i.d.; maximum length 250 mm analytical column with 50 mm guard column

Column Heater (Optional)

Operating Temperature Range:  30 to 60 °C (86 to 140 °F); minimum 5 °C above ambient; settable range is equal to working range

Temperature Accuracy:   ±0.5 °C at sensor, at 40 °C