00000nam 2200000zi 4500 9.879205 CaOODSP 20241203113652 m o d f cr ||||||||||| 190912t19851985oncd #ob f000 0 eng d 0662140842 CaOODSP eng rda CaOODSP eng fre n-cn--- En36-508/74E-PDF En36-508/74E Cheam, V., author. National interlaboratory quality control study no. 29 : sodium, potassium, magnesium, calcium and hardness in natural and spiked water samples / V. Cheam and A.S.Y. Chau. Sodium, potassium, magnesium, calcium and hardness in natural and spiked water samples Burlington, Ontario : National Water Research Institute, Inland Waters Directorate, Canada Centre for Inland Waters, 1985. ©1985 1 online resource (vii, 47 pages). text txt rdacontent computer c rdamedia online resource cr rdacarrier Report series ; no. 74 Issued also in French under title: Étude nationale interlaboratoires n° 29 de contrôle de la qualité : sodium, potassium, magnésium, calcium et dureté d’échantillons d’eau naturelle et dopée. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 21-22). "This report describes an interlaboratory comparison of the analysis of Na, K, Mg, Ca and hardness of water. Some fifty Canadian laboratories participated in the analysis of six unpreserved water samples. The analyte concentrations were designed to be approximately at the middle of the wide concentration range encountered in environmental studies"--Abstract, page v. Includes abstract in French. gccst Water management gccst Quality control gccst Laboratories Chau, A. S. Y. (Alfred Shun-Yuen), 1941- author. Canada. Environment Canada. Canada. Inland Waters Directorate. National Water Research Institute (Canada) Canada Centre for Inland Waters. Étude nationale interlaboratoires n° 29 de contrôle de la qualité (CaOODSP)9.862467 Report series (Canada. Inland Waters Directorate) no. 74. (CaOODSP)9.862410 PDF 1.42 MB https://publications.gc.ca/collections/collection_2019/eccc/en36-508/En36-508-74-eng.pdf