00000nam 2200000za 4500 9.866882 CaOODSP 20221107162150 m o d f cr ||||||||||| 190109s1978 onc ob f000 0 eng d 066001808X (print) CaOODSP eng eng fre n-cn--- M38-13/78-5E-PDF M38-13/78-5 Certification of reference iron ore SCH-1 for sodium and potassium [electronic resource] / S. Sutarno ... [et al.]. Ottawa : CANMET, Energy, Mines and Resources Canada, c1978. ii, 8 p. CANMET report ; 78-5 Cover title. "Canadian Certified Reference Materials Project." "Minerals Research Program, Mineral Sciences Laboratories." Digitized edition from print [produced by Natural Resources Canada]. Includes bibliographical references (p. 2). "Reference iron ore SCH-1, previously certified for nine constituents, has been certified for sodium and potassium. Analytical results were obtained from 53 contributors in Canada and abroad, most of whom used an atomic absorption procedure that is a candidate method of the International Organization for Standardization. A statistical treatment of the data yielded recommended values which are 0.019% and 0.026% for sodium and potassium respectively"--Synopsis, p. i. Includes synopsis in French. Iron ores--Standards Sodium Potassium Sutarno, R. Canada. Energy, Mines and Resources Canada. Canada Centre for Mineral and Energy Technology. Minerals Research Program (Canada) Mineral Sciences Laboratories (Canada) CANMET report ; 78-5. (CaOODSP)9.852792 PDF 505 KB https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-13/M38-13-78-5-eng.pdf 307164