We have taken part in the quality Assurance exercise for total N and 15N abundance analysis of plant materials, sponsored by International Atomic Energy Agency for a number of laboratories world over. This laboratory ...We have taken part in the quality Assurance exercise for total N and 15N abundance analysis of plant materials, sponsored by International Atomic Energy Agency for a number of laboratories world over. This laboratory is assigned code I. QA 99`exercise indicated that the results of the mass spectrometric measurement were fairly identical with the reference values sent by IAEA.展开更多
文摘We have taken part in the quality Assurance exercise for total N and 15N abundance analysis of plant materials, sponsored by International Atomic Energy Agency for a number of laboratories world over. This laboratory is assigned code I. QA 99`exercise indicated that the results of the mass spectrometric measurement were fairly identical with the reference values sent by IAEA.