api5000positive or negative polarity on an API 5000™ LCMSMS System equipped with a Turbo V™ source. Using direct injection analysis of water samples comparable results were obtained asAPI 5000 (Class 1500) Connection Types Performance Requirement API 6A Flange Means; Studded; Bolted; PR1; PR2; American Petroleum Institute; Coating Types Of API STD 6A Hh