The CEL-SPH2N-S double-reflection series photocatalytic activity evaluation system (also known as double-reflection water hydrogen production system) adopts a variety of valve combinations to collect and analyze samples (in line with national standard GB/T26915-2011), which can carry out experiments such as photohydrolysis water hydrogen production, photohydrolysis water oxygen production and photocatalytic reduction of CO2 at room temperature and pressure. Functional applications: qualitative and quantitative products, and light quantum efficiency testing.

    Dual integrated reaction system (Dual R series), two sets of independent non-interference equipment, one set of space occupied, 1.5 times the price of DSLR series, solve the laboratory space shortage, save a lot of research funds. Can realize the two sets of independent use, combined use, parallel sample test, improve the efficiency of scientific research.

Technical parameters of dual reflection series photocatalytic activity evaluation system；

1. Vacuum degree: relative vacuum degree -0.1Mpa (over 72 hours, dynamic test); Absolute vacuum <3× 10-4MPa (PV= NRT)

2. Automatic double experiment integrated photolysis water hydrogen production instrument, to achieve two parallel tests without interference, at the same time, glass valve system;

3. Include 4 sets of independent automatic control valves, automatic control reverse control software, the system is completely computer controlled, without tedious valve operation;

4. Sampling interval (5min, 15min, etc.) and sampling times can be arbitrarily set to loop arbitrary values to achieve unattended; Glass high vacuum system circulation pipeline using patent technology, (★ patent number: ZL 2011 2 0045149.3)

5. High efficiency circulating pump, instant mixing in 1s seconds, no need to wait, sampling at any time, mixing speed 1.8L/min;

6. Used for trace gas reaction and product detection, the volume of the system circulation pipeline is less than 150mL;

7.Vacuum characterization: relative pressure precision vacuum gauge, precision 0.4 grade (standard); Relative pressure digital vacuum meter optional); Absolute pressure digital display vacuum gauge, accuracy 0.1Pa(optional);

8. The hydrogen production test range is wide: 0.1 microliter ~100 ml (expandable 1000ml), precision PPM level;

9. Linear regression degree of standard curve: K>0.9999(all actual measurements were 1);

10. Standard multi-function buffer gas storage device, can be connected to the standby gas tank;

11. The quantitative sampling, 0.5 ml / 1 ml / 1.5 ml / 2.2 ml / 3 ml optional, repeated sampling error, avoid wrong operation;

12. According to the user's habits to choose the national standard six-way valve, four-way valve, three-way valve, two-way valve and more than a combination of the valve, the material can choose corrosion resistant stainless steel, glass, PTFE, control can choose manual, semi-automatic, automatic;

13. The sampling part of the DSLR system has no dead volume and no gas series jamming phenomenon;

14. Standard reactor with double layer constant temperature water jacket (250ml/100ml/50ml optional), pressure resistant full spectrum hyperpermeability quartz window;

15. Condensation system: double layer cooling device (spherical cooling or direct cooling is optional);

16. Built-in gas protection function, can ensure the gas chromatography GC safety under misoperation (such as insufficient carrier gas pressure);

17. 2 sets of standard injectors (including gas injection needles);

18. The light source equipment is placed behind the system, and the reactor is installed and disassembled without moving the light source;

19. Adopt stainless steel bellows KF16,1.8m, no vibration, clean, no pollution, can be arbitrarily bent, standard multi-purpose interface, can be connected with various vacuum pumps

20. Vacuum pump: vacuum pump of domestic or imported brands, with anti-oil suction function, pumping rate of 2L/s;

21. Adopt double-layer high stable support platform to ensure the safety of the glass instrument; Integrated design, including movable universal wheel for easy movement.

22 customer on-site installation and debugging, training, experiment, maintenance free.

23. The system covers a small area, does not occupy the test bench, independent integration, to solve the tension of the existing test bench.

specification

1) Vacuum degree: relative vacuum degree -0.1MPa;

Absolute vacuum <3× 10-4MPa (PV= NRT)

Automatic control valve, automatic control software, sampling time and sampling times can be set arbitrarily, the system is completely computer controlled, without tedious valve operation (in line with GB/T26915-2011)

2) Glass high vacuum system circulation pipeline with patent technology, (★ patent number: ZL 2011 2 0045149.3)

3) High efficiency circulating pump, instant mixing in 1s seconds, no need to wait, sampling at any time, mixing speed 1.8L/min;

4) Used for trace gas reaction and product detection, the volume of the system circulation pipeline is less than 150mL, the detection accuracy is 1PPM;

5) Wide range of hydrogen production test: 0.1 microliter ~100 ml (expandable 1000ml)

6) Linear regression degree of standard curve: K>0.9999(all actual measurements were 1);

7) Standard multi-function buffer gas storage device, can be connected to the standby gas tank;

8) according to the user's habit to choose double three, four, five, six, eight ball valve

9) 2 sets of standard injectors (including gas injection needles);

10) The light source equipment is placed behind the system, which does not affect the operation of the reactor;

11) The use of stainless steel bellows, no vibration, clean and pollution-free, can be arbitrarily bent, standard multi-purpose interface, can be connected with various vacuum pumps.

12) Adopt double-layer high stable support platform to ensure the safety of the glass instrument; Integrated design, easy to use, easy to move.

13) On-site installation and debugging, training, experiment, maintenance-free.

14) Small area, independent and integrated, does not occupy the test stand.

15) System specification: 80cm*40cm*90cm

16) Platform specification: 85cm*55cm*50cm (including movable universal wheel)