Endotoxin contents in samples can be determined qualitatively, or quantitatively, singly or in parallel, with high precision in a short time by a process comprising applying a light to each sample solution, measuring an initial transmitted light amount I.sub.0 and a transmitted light amount at a time...http://www.google.com.au/patents/US4740460?utm_source=gb-gplus-sharePatent US4740460 - Process for measuring endotoxin and apparatus used therefor
