Pentachlorophenol detection method
A pentachlorophenol and detection method technology, which is applied in the detection field of pentachlorophenol, can solve the problems of damaged instruments, polluted chromatographic columns, complicated environmental samples, etc., and achieves the effects of high detection sensitivity and shortened analysis time
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[0032] Example one
[0033] A method for detecting pentachlorophenol, the method comprising the following steps:
[0034] S1. Preparation of solid phase microextraction silk
[0035] (1) Cleaning of silver wire: Take a silver wire, cut the silver wire short, and cut it into a silver wire with a length of 5cm. First use acetone for ultrasonic cleaning, then ethanol for ultrasonic cleaning, and finally ultra-pure Ultrasonic cleaning with water;
[0036] (2) Electrochemical roughening of silver wire: the electrochemical roughening method is used to form silver nanostructures on the surface of the cleaned silver wire. The steps are as follows: silver wire with a purity of 99.9% and a diameter of 0.40 mm is used as the working electrode , Ag / AgCl electrode as the reference electrode, 99.9% pure silver piece as the counter electrode, constitute a three-electrode system, 0.1M hydrochloric acid solution as electrolyte, scan rough by cyclic voltammetry at 2.5mV / s Make 20 turns of the silver ...
Example Embodiment
[0041] Example two
[0042] A method for detecting pentachlorophenol, the method comprising the following steps:
[0043] S1. Preparation of solid phase microextraction silk
[0044] (1) Cleaning of silver wire: Take a silver wire and cut the silver wire into a length of 10cm. First use acetone for ultrasonic cleaning, then ethanol for ultrasonic cleaning, and finally ultra-pure Ultrasonic cleaning with water;
[0045] (2) Electrochemical roughening of silver wire: The electrochemical roughening method is used to form silver nanostructures on the surface of the cleaned silver wire. The steps are as follows: silver wire with a purity of 99.9% and a diameter of 0.40 mm is used as the working electrode , Ag / AgCl electrode is used as the reference electrode, 99.9% pure silver piece is used as the counter electrode to form a three-electrode system, 0.1M hydrochloric acid solution is used as the electrolyte, and cyclic voltammetry is used to scan rough at 2.5mV / s scanning speed Make 20 tu...
Example Embodiment
[0050] Example three
[0051] A method for detecting pentachlorophenol, the method comprising the following steps:
[0052] S1. Preparation of solid phase microextraction silk
[0053] (1) Cleaning of silver wire: Take a silver wire, cut the silver wire short, and cut it into a silver wire with a length of 15cm. First use acetone for ultrasonic cleaning, then ethanol for ultrasonic cleaning, and finally ultra-pure Ultrasonic cleaning with water;
[0054] (2) Electrochemical roughening of silver wire: The electrochemical roughening method is used to form silver nanostructures on the surface of the cleaned silver wire. The steps are as follows: silver wire with a purity of 99.9% and a diameter of 0.40 mm is used as the working electrode , Ag / AgCl electrode is used as the reference electrode, 99.9% pure silver piece is used as the counter electrode to form a three-electrode system, 0.1M hydrochloric acid solution is used as the electrolyte, and cyclic voltammetry is used to scan rough a...
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