Model | SFM-4000/S(Bio-Logic SAS) |
---|---|
Operating time | 09:00 ~ 18:00 |
Location | POSTECH Chem. Bldg. # 216 |
inquiry |
Dr. Roh, Joonho 054-279-9940 jhroh@ibs.re.kr |
Explanation
Stopped flow mixer will be used to study subms kinetics of a variety of biological, physical and chemical reactions via stopping the flow of mixed solutions, as coupled with spectroscopic instruments.
Specification
● Drive mechanism: independent stepping motors
- Number of syringes : 4
- Number of stepping motors : 1 per syringe
- Precision of stepping motors : 10.4 nl per microstep
- Number of mixers : 3
- Mixer type : Berger-Ball mixer or optional HDS
- Stop mechanism : electrovalve
● Syringes
- Syringe material : PEEK
- Syringe size : 10 ml ( 6.8 ml, 3.6 ml and 1.9 ml are optional)
- Anaerobicity : anaerobic operation standard
● Sample consumption
- Priming volume : from 88 μl per syringe
- Flow rate range : 0.003 to 10 ml/s (per syringe)
- Mixing ratio : fully variable from 1:1 to 1:100
- Minimum injection volume : 10-25 μl depending on syringe size in stopped-flow mode
- Minimum injection volume in titration mode : 2 μl
● Observation head
- Number of detection windows : 3
- Cuvette : quartz; choice of 10 models with light path from 0.75 mm to 1 cm
- Optional : capillary for X-ray measurements
- Minimum dead time : 0.2 ms using microcuvette (0.8 mm light path), < 0.7 ms using