1. Technical requirements: Imported equipment

(1) Used for analysis of electroplating additives, fully controlled by Chinese operating software and computer;

(2) Measurement mode: including cyclic voltammetry dissolution method CVS; Cyclic pulse voltammetry dissolution method (CPVS) and chronopotentiometry or open circuit potential measurement method (CP) (can analyze organic pollution of copper sulfate and sulfuric acid)

(3) Equipment accuracy requirements: Analyze standard brighteners/suppressants/leveling agents continuously for 10 times, RSD<5%

(4) The fully automatic sampling system can continuously measure 28 samples (including brighteners, suppressants, and leveling agents) at once, without the need for manual operations such as sample replacement, VMS addition, photosensitizer auxiliary solution, and leveling agent auxiliary solution.

(5) Fully automatic cleaning system, fully computer-controlled to discharge waste liquid, and automatically clean pipelines and test cups, reducing mutual interference caused by static cleaning in fixed positions.

(6) Equipped with a fully automatic sulfuric acid cleaning system as standard, it meets the cleaning steps in the sample conversion room

(7) Working electrode: rotating disc platinum electrode, glass support 2mm (not easily aged and corroded in strong acid medium);

(8) Reference electrode: Double salt bridge reference electrode, maintenance free, no need to replace internal and external reference solutions.

(9) Auxiliary electrode: Platinum auxiliary electrode, resistant to strong acid environment;

(10) Configure a fully automatic standard solution addition system to automatically add standard solutions and draw standard curves;

(11) Configure bottom liquid (VMS) and auxiliary solution automatic addition system, fully computer-controlled, to prevent operators from coming into contact with hazardous strong acidic bottom liquid;

(12) The fully automatic standard solution addition system can control the amount of standard solution added, with a minimum addition amount of 0.0001ml;

(13) The error of the fully automatic labeling system is less than 0.3%, and the random error is less than 0.07%

(14) Full Chinese control software, suitable for WINDOWS operating system, can store methods, automatically draw standard curves, display curve conditions in real-time during the experimental process, automatically output and store results, perform SPC control on results, and automatically calculate addition amounts, etc; It can achieve remote control of the laboratory or seamless connection of methods and data, meeting the requirements of Industry 4.0 factory data management

(15) Greater output current of the device (mA): 224

(16) Minimum output current of the device (fA): 2

(17) Greater output potential of the device (V): ± 5

(18) Equipment potential range (V): ± 5

(19) Scanning rate: 0-10.0 V/s

(20) Mixing rate: 100-3000 revolutions per minute

(21) Control mode: PC; Full Chinese operating software, built-in analysis programs and databases for relevant liquid medicine manufacturers, automatic saving of analysis data, and the ability to set hierarchical management permissions.

Instrument configuration list:

1. One CVS host

One automatic sample processor with 2.28 sample grades

3. Two sets of fully automatic standard liquid addition systems, including two 800 automatic liquid addition units and two 2ml liquid addition units

4. Fully automatic bottom liquid (VMS) addition system, including 1 800 automatic liquid addition unit and 1 50ml liquid addition unit

5. Fully automatic quantitative sampling system, including one 800 automatic liquid addition unit and one 5ml liquid addition unit

6. Fully automatic cleaning system, including 2 diaphragm pumps and control unit

7. Working electrode drive shaft contact, 1 set

8. Platinum selection disc electrode, 2 sets

9. Platinum auxiliary electrode, 1 set

10. Maintenance free reference electrode, 1 set

11. Drive belts, 3 pieces

12. Original Chinese operating software, 1 set

13. Reference electrode activation solution, 1 bottle

14. One computer