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Category: Chromatography - Liquid/HPLC | Subcategory: HPLC Systems

Waters Alliance e2695 Separations Module

Waters Alliance e2695 Separations Module Image

ITEM: 23267 In Stock

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Waters Alliance e2695 Separations Module ImageWaters Alliance e2695 Separations Module ImageWaters Alliance e2695 Separations Module ImageWaters Alliance e2695 Separations Module ImageWaters Alliance e2695 Separations Module ImageWaters Alliance e2695 Separations Module Image

The Waters Alliance e2695 Separations Module provides the flexibility and ruggedness needed to accommodate an enormous range of HPLC separation challenges.


Number of solventsOne to four
Solvent ConditioningVacuum degas, two operating modes, four chambers, <500µL internal volume per chamber
Flow Rate Range0.000 to 10.000 mL/min (0.050 to 5.000 mL/min typical) in 0.001 mL/min increments
Compressibility CompensationAutomatic and continuous
System Delay Volume<650µL, independent of backpressure at 1 mL/min
Plunger Seal WashIntegral, active, programmable
Gradient Profiles11 gradient curves (including linear, step, concave, and convex)
Dry Prime/Wet PrimeAutomatic front panel control, SystemPREP function for automatic solvent(s) purge
Flow RampingTime (0.01 to 30.00 min in 0.01 min increments) to reach maximum flow rate
Maximum Operating Pressure5000 psi (345 bar) (0.010 to 3.000 mL/min) programmable upper and lower limits
Composition Range0.0% to 100.0%, in 0.1% increments
Composition Accuracy± 0.5% absolute, independent of backpressure
Composition Precision≤ 0.15% RSD or ≤ 0.02 min SD, whichever is greater, based on retention time
Flow Precision≤0.075% RSD or ≤0.02 min SD, six replicates, based on retention time or volumetric measures, (0.200 to 5.000 mL/min), isocratic premix
Flow Accuracy±1% or 10µL/min, whichever is greater, 0.200 to 5.000 mL/min, (degassed methanol, at 600 psi backpressure)
Number of Sample Vials120 vials, configured in five carousels of 24 vials each
Number of Sample Injections1 to 99 injections per sample vial
Sample Delivery PrecisionTypically < 0.5% RSD, 5 to 80 µL
Sample Carryover≤ 0.01% for caffeine, under specified conditions
Injection Needle WashIntegral, active, programmable
Injection Accuracy±1µL (± 2%) (50 µL, N=6)
Standard Sample Vial2 mL
Advanced Operations

Priority samples

Auto additions

Auto standards

Injection Volume Range0.1 to 100.0 µL, standard; 0.1 to 2000.0 µL, with optional sample loop
Injector Linearity>0.999 coefficient of deviation (1.000 to 100.000µL)
Minimum Sample Required10µL, using low volume inserts
Dimensions18" W x 22.5" D x 22.5" H (45.7 x 57.1 x 57.1 cm)
Weight100 lbs. (45.5 kg)
Power950 VA (maximum)

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