Physico-chemical characterization of natural lake pigments obtained from Caesalpinia Sappan Linn. and their composite films for poly(lactic acid)-based packaging materials

by Sutinee Girdthep, Jitnapa Sirirak, Donraporn Daranarong, Rathawat Daengngern, Supanee Chayabutra
Published 2018

Environmentally friendly method for determination of ammonia nitrogen in fertilisers and wastewaters based on flow injection-spectrophotometric detection using natural reagent from...

by Thanikan Sukaram, Petcharat Sirisakwisut, Jitnapa Sirirak, Duangjai Nacapricha, Sumonmarn Chaneam
Published 2019