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	STUDIA PHYSICA - Issue no. SPECIAL%20ISSUE / 2001

	Article:	SYSTEMS FOR HPLC SAMPLE INJECTION. Authors: GABRIEL POPENECIU.


	Abstract: The design characteristics and techniques of using HPLC sample injectors differ markedly. These differences affect a chromatograph�s ability to provide accurate analitycal results. The HPLC sample injectors discussed in this paper are the types currently used in high performance liquid chromatography techniques. All of them transfer atmospheric pressure sample from a syringe or vial to a sample loop. The loop is then connected by valving action to the high pressure pump-to-column stream, which carries the sample onto column.




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