IS 16139 : Part 2 : 2014 Title: Workplace Air - Determination of Organonitrogen Compounds in Air Using Liquid Chromatography and Mass Spectrometry Part 2 Amines and Aminoisocyanates Using Dibutylamine and Ethyl Chloroformate Derivatives Format: Print Pages: 34 Year: 2014 Publisher: Bureau of Indian Standards Availability: Out of Stock