How to do the black sinks in the glass melting plate of the electrolytic tank of the microcomputer fast sulphur meter?
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The glass melting plate of the electrolytic cell of the sulphur meter should be cleaned in time when the pipe has black sinks. The cleaning methods are as follows:
First, take off the electrolysis pool (open the upper cover), and put some water in the electrolysis pool first, so as not to inundate to the molten plate. The electrolytic cell tilt, with burette plate branch injection preparation melt lotion (5 grams of potassium dichromate and 10 ml of water, heating and melting after cooling slowly adding 100 ml of concentrated sulfuric acid), until the solution flow in the net after repeated 1 to 2 times, in addition to the black plate and pipe can be fused in sink structure. Then rinse the electrolysis pool with tap water, and wash it from the molten plate to no residue, and the plate should be clean as white as the first. Finally, use the filter paper to dry the glass plate and its branch pipe, and then add the electrolyte to use it.
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