These refurbished Waters Alliance 2690 and 2695 HPLC systems comes with Waters 2996 PDA Detector.
We have other Waters HPLC detectors as options
- Waters 996 Photodiode Array Detector
- Waters 2996 PDA Detector
- Waters 2998 PDA Detector
- Waters 2487 Dual wavelength Detector
- Waters 474 Scanning Fluorescence Detector
- Waters 2475 Fluorescence Detector
- Waters 410 Refractive Index Detector
- Waters 2410 RID
- Waters 2414 RID
Specifications:
|
Solvent Conditioning |
Vacuum degas,two (2) operating modes, four (4) chambers, < 500 µL internal volume per chamber |
|
Programmable Flow Rate Range |
0.000 and 0.010 to 10.000 mL/min. in 0.001 mL/min. increments |
|
Effective System Delay Volume |
< 650 µL , independent of backpressure @ 1 mL/min. |
|
Plunger Seal Wash |
Integral, active, programmable |
|
Gradient Profiles |
Eleven (11) gradient curves (including linear, step [2], concave [4], and convex [4]) |
|
Maximum Operating Pressure |
5000 psi. (345 bar) (0.010 – 3.000 mL/min) Programmable upper and lower limits |
|
Pressure Ripple |
<2.5% (1 mL/min., degassed methanol, at 1700 psi backpressure) |
|
Composition Range |
0.0 to 100.0%, in 0.1% increments |
|
Composition Accuracy |
±0.5% absolute, independent of backpressure (Proportioning Valve PairTest, [degassed methanol: methanol/propylparaben, 2 mL/min., 254 nm]) |
|
Composition Precision |
0.15%RSD or 0.02 min. SD, whichever is greater, based on retention time.(Degassed methanol:water, 60:40 dial-a-mix, 1 mL/min., 6 replicates,phenone mix, 254 nm) |
|
Flow Precision |
0.075%RSDor 0.02 min. SD, 6 replicates, based on retention time or volumetricmeasures (0.200 – 5.000 mL/min.), isocratic premix |
|
Flow Accuracy |
± 1% or 10 µL/min. whichever is greater, (0.200 – 5.000 mL/min.), (Degassed methanol, at 600 psi backpressure) |
Sample Management
|
Number of Sample Vials |
120 vials, configured in 5 carousels of 24 vials each |
|
Number of Sample Injections |
1 to 99 injections per sample vial |
|
Sample Delivery Precision |
Typically < 0.5% RSD, 5 – 80 µL (Degassed methanol: water, 60:40 dial-a-mix, 1 mL/min., 6 replicates, phenone mix, 254 nm) |
|
Sample Carryover |
< 0.1% |
|
Injection Accuracy |
± 1µL (± 2%) (50 µL, N=6), Sample: 100% degassed water, Analytical solvent: 100% degassed methanol |
|
Sample Temperature Control |
4 to 40°C, programmable in 1°C increments |
|
Advanced Operations |
Stat runs, Auto additions, Auto standards |
|
Injection Volume Range |
0.1 to 100 µL, standard; 0.1 to 2000 µL, with optional sample loop |
|
Injector Linearity |
> 0.999 coefficient of deviation (1 to 100 µL) |
