meaning of chromatography

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{"cid":"91220388","title":"peristaltic pump for fast protein liquid chromatography (FPLC)","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a3\/1f\/d031001c771a995a91d893f0dbf0-200x200-1.jpg","attrs":{"Price":"$450.00 - $900.00\/sets","Brand Name":"Huiyu fluid","Model Number":"BT100L-1A","Warranty":"1 year","Customized support":"OEM","Place of Origin":"Beijing, China","Application":"Food and Beverage Industry, Pharmaceutical industry, wastewater treatment","Horsepower":"0.05","Power Source":"Electric","Pressure":"Low Pressure","Structure":"peristaltic pump","Cable Length":"1.5m","Outlet Size":"6.4mm","Voltage":"110v 220v","Power":"40w","motor":"stepper motor","product":"peristaltic pump for fast protein liquid chromatography (FPLC)","Brand":"Huiyu fluid","flow rate":"0.07-380ml\/min","power supply":"AC 220V \u00b120%","motor speed":"0.1-100rpm","dimension(LxWxH)":"205X 155 X 227mm","weight":"3.8kg","Usage":"fluid reagent chemical","Fuel":"electricity","Packaging Details":"peristaltic pump for fast protein liquid chromatography (FPLC)\r
carton with foam plastics","Port":"Beijing","Supply Ability":"100 Set\/Sets per Week"}}