1. Automatic sample changer

  • 12 position solid sample holder in a 4 x 3 array. The samples should be in liquid-tight aluminium cells with thin mica or mylar windows (information on the supplier for windows can be give on request).
  • 6 position gel sample holder.
  • 6 capillary sample holder. Samples can be loaded into 1.5 mm diameter quartz capillaries within a thermostatic, water bath, controlled holder.
  • Basic capillary rack. A number of capillaries can be mounted vertically within an aluminium block. Please note that for weakly scattering systems, reproducibility and background subtraction may be more difficult in this set-up.

2. Lasers for temperature jump time-resolved studies

Laser 1: Fibre-coupled (200 µm diameter fibre), 50 W, 1470 nm CW laser gated by TTL pulse to achieve pulse lengths down to 1 ms.
Laser 2: Nanosecond laser system, with a tunable wavelength from ca. 700 to ca. 2000 nm. This system can deliver 10-70 mJ per pulse, depending on wavelength. (please contact Beamline for specific details before requesting)

3. Solution SAXS and BioSAXS

Automatically controlled pipetting sample loader from two 96-well plates.
Thermostatic temperature control of the plates and the measuring capillary.
Minimum injectable sample volume is 20 μl.
In-line UV-Vis.
In-line HPLC.
Automated cleaning system.
Programmable sample queue.

4. Linkam heating stage (HFS-X350 with liquid nitrogen pump LNP96)

Silver block Linkam heating stage for 1.5 mm diameter capillaries. Heating and cooling rates up to 80 °C/min. Temperature range -195 to 300 °C, nominal stability 0.1 °C.

5. Linkam DSC stage (DSC-X600 with liquid nitrogen pump LNP96) (not available yet)

Single cell system to allow simultaneous heat flow measurements during rapid heating and cooling. Heating and cooling rates up to 80 °C/min. Temperature range -195 to 300 °C, nominal stability 0.1 °C. Samples should be sealed within liquid-tight aluminium cells with thin mica or mylar windows (information on the supplier for windows can be provided).

6. Microfluidics flow cell

An adaptive microfluidic platform is being developed with the Balder and MicroMAX beamlines (SSF funded project Adaptocell). A thermoplastic microfluidic chip, e.g. those from microfluidic ChipShop, will be used at CoSAXS. The flow is either pressure-driven or syringe pump driven. Pressure driven uses an external pressure controller (OB1 from Elveflow) where the flow rate is monitored using Microfluidic Flow Sensor (MFS from Elveflow) that works between 0.07ul/min and 1ml/min. Switching (Flow Switch Matrice from Elveflow) and mixing valves (Injection/Distribution Valve from Elveflow) capable of switching between 10 lines of samples and mixing 6 set of samples/reagents respectively, will be used to perform specific set of experiments as required.

7. SURF (SAXS/UV-Vis/Fluorescence) (not available yet)

(under commissioning)

Combined spectroscopy and SAXS measurements. 1.5 mm diameter, quartz capillary with peltier heating control.

8. Stopped flow rapid mixing device (not available yet)

(under commissioning)

Commercial instrument with four syringes and three mixing chambers.

9. Rheometer

An Anton Paar MCR702 rheometer with polycarbonate concentric cylinder attachment is available for both CoSAXS and ForMAX. More complex geometries are available via a collaboration with Chalmers University.

10. High precision sample scanning stages

(still to be purchased)

High precision stages for sample scanning will be available, via a collaborative development with cSAXS, PSI and Chalmers university.
There are no high-resolution scanning SAXS possibilities yet. Step scan is available, minimum beam spot 30 um x 15 um (width x height) at the sample position, resolution step 1 um, scanning area 1 x 1 cm.

11. Electromagnet for magnetic experiments

Magnet: GMW 3480 Model. 

Max Magnetic field at the sample: 2 Tesla for 20 mm diameter poles. 

Max continuous power operation (water cooled) 35 A, 60 V 

Safety training required before operation with medium magnetic fileds (0.5≤H≤3.5 Teslas).   

Sample holders: i ) 1.5 mm diameter sealed capillaries for liquid or powder samples. Support frame provided by the beamline ii) frames for powders or solid samples provided by the beamline. 

Under commissioning: 

3.5 Tesla Max Magnetic field for 5 mm diameter poles. 

Simultaneous FMR & x-ray scattering experiments.  

12. Uni/Biaxial planar mechanical tester

Suitable for fibres, polymers, biopolymers, colloidal materials, and biomaterials. Four independent stepper motors and load cells mounted in-plane and perpendicular to each other. Two independent stretching directions with load capacities up to 1.5 kN and load rates between 0.02 and 15 mm/min. The minimum distance between grips corresponds to 75 – 80 mm, allowing a travel distance per grip of 20 mm for large strain field coverage in two perpendicular axes. Monotonic and cyclic operation available. The tester can be operated as a uniaxial mechanical tester. Please discuss with the beamline if you wish for biaxial testing.

13. Ultrasonic Acoustic Levitator

Ultrasonic Acoustic levitator (Tec5 AG, Germany) operating at 100 kHz. Approximately initial diameter of the droplet 1.6mm, i.e 2-3 mL injected manually/individually by Hamilton syringes (100 or 10 mL). Droplet in a confined environment (no temperature or humidity control). Droplet size can be monitored using a USB-microscope camera recorded simultaneously with the X-ray data. Beam spot can be focalized at the sample or detector position. Minimum size 50 x 50 um^2

14. User defined equipment and sample environment

User equipment can be mounted within the beamline, following appropriate safety assessment. Please discuss with the beamline scientist. Detailed sample environment information must be provided with the beamtime proposal for feasibility approval (sketch, electrical drawings, physical dimensions, …). Integration capabilities are very reduced. Autonomous operation is recommended. 5V TTL trigger pulse is available and a laptop at the sample position.

Page manager: Ann Terry February 15, 2024