00000nam 2200000za 4500 9.867541 CaOODSP 20221107162336 m o d f cr nn||||||||| 190124s1981 onca ob f000 0 eng d 0660107155 (print) CaOODSP eng eng fre n-cn--- M38-13/81-1E-PDF M38-13/81-1E Steger, H. F. Niobium ore OKA-1 [electronic resource] : a certified reference material / H.F. Steger and W.S. Bowman. OKA-1 : a certified niobium reference ore OKA-1 : mineral de référence certifié de niobium Ottawa : CANMET, Energy, Mines and Resources Canada, 1981. iii, 14 p. : ill. CANMET report ; 81-1E Cover title. "Minerals Research Program, Mineral Sciences Laboratories." "Canadian Certified Reference Materials Project." "January 1981." Digitized edition from print [produced by Natural Resources Canada]. Includes bibliographical references (p. 6). "The preparation, characterization and certification of the niobium ore OKA-1 is another facet of the continuing endeavour of the Canadian Certified Reference Materials Project (CCRMP) to provide compositional references ores, concentrates and related products typical of Canadian deposits and not, in general, available from other sources for use in analytical laboratories associated with mining, metallurgy and the earth sciences. Other reference materials certified by CCRMP are described in a catalogue available from CANMET, Energy, Mines and Resources Canada, Ottawa"--Introd., p. 1. Includes synopsis in French. Niobium ores--Standards Bowman, W. S. Canada. Energy, Mines and Resources Canada. Canada Centre for Mineral and Energy Technology. Minerals Research Program (Canada) Mineral Sciences Laboratories (Canada) CANMET report ; 81-1E. (CaOODSP)9.852792 PDF 1.48 MB https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-13/M38-13-81-1-eng.pdf 307206