BI-MwA Molecular Weight Analyzer
The BI-MwA Molecular Weight Analyzer is simple to use, but incorporates sophisticated features. Inject your sample into the low-volume, 7-angle flow cell. The sample is illuminated by a temperature stabilized, precision power-controlled diode laser. The ultra-stable, high-sensitivity, low-noise CCD detector automatically collects the scattered light. Then, the software extrapolates the data to zero angle for the absolute molecular weight determination.
Overview
Specifications
| Molecular Weight Range | 1 kDa to 1000MDa, depending on refractive index and concentration [High end for dendrimers and other compact structures.] |
|---|---|
| Cell/Optics | |
| Angles | 7, nominally 35, 50, 75, 90, 105, 130, and 145 degrees. |
| Fiber | Low numerical aperture, integral to cell. |
| Maximum Pressure | 3.5 MPa (500 psi) maximum. |
| Fittings | Standard HPLC Inlet/Outlet on front panel. |
| Volume | Cell, 100 µL nominal; Scattering, 20 nL nominal. |
| Laser | Temp. stabilized w/prec. power control, 30 mW, 635 nm, vertically polarized. |
| Cell | PEEK std., options on request. |
| Electronics/Detector | |
| Control | Integrated, dedicated, powerful microcontroller. USB driven. |
| Detector | CCD, ultra-high sensitivity and spatial uniformity. |
| Analog Inputs | 4 standard, with 16 and 24 bit resolution, 15 additional analog channels (optional) with 24-bit resolution. Computer selectable gain adjustment. Suitable for use with most common RI, UV, viscometer, thermocouple, thermistor, injector, pressure gauge and pump outputs. |
| Power Requirements | 100/115/220/240 VAC, 50/60 Hz,25 Watts |
| Dimensions | Size: 195(H) x 210(W) x 380(D) mm; Weight: 5.5 kg |
| Certificates | CE Certified |
U.S. Patent # 6,052,184
A policy of continued improvement may lead to specification changes.


