Method for analyzing chlorine content in rubber
An analysis method and chlorine content technology, applied in the field of physical and chemical analysis, can solve the problems of analyzing residual liquid environmental pollution, lack of accurate and convenient analysis methods, etc., and achieve the effects of being easy to master, easy to operate, and reducing analysis errors.
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[0010] The invention provides a chemical analysis method of chlorine content in rubber:
[0011] Step 1: Sample weighing, weigh 9mg~10mg sample, accurate to 0.1mg, wrap the sample with filter paper, and clamp it in the helical platinum wire.
[0012] Step 2: Sample treatment, add 2mL potassium hydroxide solution, 5mL hydrogen peroxide solution and 10mL ultrapure water into the oxygen combustion bottle, place the oxygen combustion bottle on the oxygen charging combustion device in the safety cover; open the oxygen cylinder and adjust the pressure , pass oxygen to the oxygen combustion bottle for 1min, and the oxygen flow rate is greater than 2L / min; after being filled with oxygen, slowly remove the oxygen combustion bottle, quickly insert the plug at the end of the ignited bag sample filter paper into the oxygen combustion bottle, cover it and manually Press tightly, seal the mouth of the bottle with a small amount of water, and remove it from the safety cover after the flame i...
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