Liquid chromatography
Chromatographic columns, valve stopcock, DURAN® tubing
				Chromatographic columns, valve stopcock, DURAN® tubing
			
    	Chromatographic columns, valve stopcock, DURAN® tubing
				Chromatographic columns, valve stopcock, DURAN® tubing
			
    	Chromatographic columns, valve stopcock, DURAN® tubing
				Chromatographic columns, valve stopcock, DURAN® tubing
			
    	Chromatographic columns, valve stopcock, DURAN® tubing
				Chromatographic columns, valve stopcock, DURAN® tubing
			
    	Chromatographic columns, with beaded rim and PTFE stopcock, DURAN® tubing
				Chromatographic columns, with beaded rim and PTFE stopcock, DURAN® tubing
			
    	Chromatographic columns, with beaded rim, DURAN® tubing
				Chromatographic columns, with beaded rim, DURAN® tubing
			
    	Chromatographic columns, with beaded rim, DURAN® tubing
				Chromatographic columns, with beaded rim, DURAN® tubing
			
    	Chromatographic columns, with beaded rim, DURAN® tubing
				Chromatographic columns, with beaded rim, DURAN® tubing