High Level Metal Nickel Rod

Nickel rod can replace the brush plating pen of the new brush plating process. In the product manufacturing and equipment overhaul work of heavy machinery factories, there are often large boxes and irregular large workpieces that need to be brushed and plated. For example: spindle box bearing holes for large boring machines and heavy-duty lathes, etc. According to the general shaping process, a large vertical lathe is required to clamp and rotate the workpiece to brush plating. Such a large vertical car is difficult to find. Even if such a large vertical lathe can be found, due to the brushing during the brushing process.

1.Enzyme-free glucose sensors were prepared by electrochemical oxidation of glucose on nickel electrodes, the electrochemical oxidation mechanism was studied, and the content of glucose in serum was determined. At a high pH and a potential of 570 mV, Ni(III.) generated on the nickel electrode acts as an oxidant and can directly oxidize glucose to gluconolactone, and the current response proportional to the glucose concentration can quantify the glucose content in the sample. The sensor consists of a nickel rod, a platinum wire counterpole and an Ag/AgCl reference electrode. The response time to glucose was less than 1 min, and the injection interval was 3 min; The current response range to glucose is 1.96×10^-5-1.80×10^-4mol/L, and the detection limit is 9.80×10^-6mol/L. On nickel electrodes, substances such as ascorbic acid, uric acid, and dopamine do not interfere with the determination of glucose in serum. The sensor is used to determine the glucose content in the serum. The relative standard deviation was 4.3%, which was consistent with the results of hexokinase assay. The sensor is simple to prepare, does not require special storage, and can be reused after simple processing.

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