Determination of Nitrate in the Edible Part of Vegetables from Markets Around Chiang Mai City, Northern Thailand by using High Performance Liquid Chromatography

Surat Hongsibsong, Watcharapon Polyiem, Warangkana Narksen, Tanyaporn Kerdnoi and Tippawan Prapamontol

Asian Journal of Agricultural Research 8 ( 4 ): 204 - 210 , 2014