Ion source polishing head carbon activation device
A technology of ion source and grinding head, which is applied in the direction of grinding device, abrasive material, grinding/polishing equipment, etc. It can solve the problems of difficult and inconvenient cleaning of ion source, and achieve the effect of improving grinding efficiency and increasing strength
Pending Publication Date: 2020-12-01
GUIZHOU ACADEMY OF TESTING & ANALYSIS
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Problems solved by technology
[0005] Aiming at the deficiencies of the prior art, the present invention provides an ion source grinding head, which solves the problems of difficult and inconvenient cleaning of the existing ion source
Method used
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Embodiment 2
[0027] Take 100g of water glass with a modulus of 2.0 and mix it with 200g of water to form component 4. Take 200g of alumina powder, bake at 500°C for more than 4 hours, take it out and cool it, add 200g of agate balls with a diameter of 4-6mm, put them into the vibrating mill together, then add 150g of ethanol to the mill, put on the vibrating mill, vibrate Take it out after 2 hours, pour it into a stainless steel pan, and dry it in a vacuum oven at 60°C. Take out the dried powder and pass through a 325-mesh standard sieve, and the under-sieve is component 5. Take 10g of absorbent cotton and cut it into small pieces of 6mm, which is component 6. Take 70g of component 5, then add 5g of component 6, mix the two evenly with an ink knife, add 0.2g of dodecyl sulfate, slowly add 23g of component 4, and adjust it into a slurry with an ink knife. The shape of the material is thick, but it has certain fluidity. Pour the adjusted slurry into a cylindrical stainless steel abrasive ...
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Abstract
The invention relates to the field of polishing tools for ion sources of chromatography-mass spectrometry instruments, in particular to an ion source polishing head. The polishing head comprises a polishing body and a clamping rod; the polishing body is prepared from the following components: 2 to 30% of water glass with modulus of 2 to 2.8, 50 to 95% of aluminum oxide powder for ion source cleaning, 2 to 15% of fiber, 0 to 30% of water and 0 to 5% of other components; the polishing body is used for polishing an ion source; and the clamping rod is clamped on a chuck of a handheld polishing machine. According to the polishing head, the polishing body material does not contain high-molecular substances, the polishing body material is easy to clean from the ion source after being polished, the strength of the polishing body is improved through the degreasing cotton fibers or the glass fibers and the degreasing wool, the polishing body is not prone to collapsing, the polishing head is clamped on the small handheld electric polishing machine, the ion source component is polished through high-speed rotation of the polishing head, and the polishing efficiency is improved.
Description
technical field [0001] The invention relates to the field of grinding tools for ion sources of chromatography-mass spectrometers, in particular to an ion source grinding head. Background technique [0002] Chromatography-mass spectrometry is an analytical instrument widely used in the fields of medicine, physics, chemistry, biology, etc. The mobile phase of gas chromatography is an inert gas (the mobile phase of liquid chromatography is liquid). When multi-component After the mixed sample enters the chromatographic column, due to the different adsorption force of the adsorbent on each component, the running speed of each component in the chromatographic column is also different. After a certain period of time, the weakly adsorbed components are easily desorbed and leave the chromatographic column first to enter the mass spectrometer. Mass spectrometry causes the components in the sample to be ionized in the ion source to generate positively charged ions with different charg...
Claims
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IPC IPC(8): B24D3/14B24D18/00B24D5/00B24D5/16
CPCB24D3/14B24D5/00B24D5/16B24D18/0009
Inventor 陈迪勇张潆元郭令张莹王春波陈臣任丹袁丽李宣陈美
Owner GUIZHOU ACADEMY OF TESTING & ANALYSIS