Direct reading emission spectroscopic analysis of plant tissue using a briquetting technique

Abstract
A briquetting technique has been developed which permits rapid multielement analysis of plant material by direct reading emission spectroscopy. This method does not require an ashing step and permits analysis for 21 elements including nitrogen. Details of the briquetting procedure, instrumentation, and precautions to be observed, are discussed. Plant analysis data obtained by this method compared favourably with data obtained by alternative techniques.