Viscotek RImax - specifications

The Viscotek RImax is a complete, advanced, multidetector GPC/SEC system suitable for all macromolecular applications.

OmniSEC

Acquisition

6 channels, 5Hz, unlimited acquisition time

Calculation modules

Conventional, Universal, Light Scattering, Triple, Copolymer, Protein specific, FIPA

Results output

M_n, M_w, M_z, M_p, M_w/M_n, IV [η], R_h, R_g, Branching Number, Branching Frequency, Number of Arms, Weight Fraction, Concentration, MH-a, MH-k, dn/dc, dA/dc. A₂

Minimum PC specification

Windows XP or higher, 100 GB HD, 2GB RAM, 1.8 GHz processor,
Graphics 1024x768, 16-bit colour depth

Refractive index detector

Measuring principle

Deflection

Light Source

Tungsten lamp

Cell

45° quartz glass, 9μL volume

Purging

3 modes, Manual, Automatic and Programmable

Data rate

5Hz to OmniSEC via 270 (2Hz direct to OmniSEC in stand-alone mode)

Temperature control

Normal environment, 35 to 55ºC in 1ºC steps.
Cold environment, 10 to 30ºC in 1ºC steps.

Dimensions

22cm x 16cm x 35cm (W x H xD); 12kg

Column Oven

Temperature control

10ºC above ambient to 100ºC

Capacity

Up to five 8mm x 30cm GPC columns

Internal dimensions

41cm x 7cm x 4cm (W x H xD)

UV detector

Wavelength

190 to 740nm

Light Source

Deuterium; Tungsten halogen is optional

Cell volume

10μL

Data rate

Analog collection of single wavelength (programmable), A-to-D with 5Hz to OmniSEC

Dimensions

23cm x 14cm x 39cm (W x H xD); 6.0kg

UV-PDA detector

Wavelength/resolution

190 to 500nm or 430 to 710nm on 256 diode array

Light Source

Deuterium (190-500nm) or Tungsten (430-710nm)

Cell volume

10μL

Data rate

256 channels at 1Hz direct to OmniSEC

Dimensions

23cm x 14cm x 39cm (W x H xD); 6.0kg

GPCmax

Operation and Control

By OmniSEC software or from front panel

Dimensions

55cm x 38cm x 53cm (W x H x D); 37kg

Degasser

Channels/volume

Two channels, 8ml per channel

Performance

<0.5 ppm oxygen at 0.5 mL/min

Eluent Sensor

User selectable, stops GPC pump when eluent runs out

Pump

Flow rate range

0.01 to 9.99 mL/min

Pulsation

Less than 1% (measured with viscometer)

Pressure Reading

MPa or PSI

Soft start/stop

User programmable in mL/min/min

Autosampler

Capacity (Standard)

120 vials, freely programmable position sequence

Range

Variable injection volume, between 20 and 150μL

Reproducibility

Better than 0.5 %

Carryover

Less than 0.1%, depending on wash program

Cooling option

4°C to 40°C

Capacity (with cooling option)

60 vials cooled, freely programmable position sequence

Heated tray option

65°C fixed in one tray

Capacity (with heating option)

60 vials heated, 60 unheated, freely programmable position sequence