00000nam 2200000zi 4500 9.895831 CaOODSP 20221107174136 m o d f cr bn||||||||| 201008e19720817onca o f000 0 eng d CaOODSP eng rda CaOODSP En37-259/1972E-PDF Williams, M. J., author. Evaluation of detergent formulations / final report for Department of the Environment, Inland Waters Directorate ; M.J. Williams. [Ottawa] : Department of the Environment, Inland Waters Directorate, August 17, 1972. 1 online resource (78 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. Evaluation of detergent formulations : final report August 17, 1972 -- Evaluation of detergent formulations : interim report for period Dec. 18, 1971 to Feb. 17, 1972 -- Evaluation of detergent formulations : interim report for period February 18 - March 9, 1972 -- Evaluation of detergent formulations : interim report for period March 10 - March 30, 1972 -- Evaluation of detergent formulations : interim report for period April 1 - April 28, 1972 -- Evaluation of detergent formulations : interim report for period April 29 - May 19, 1972. "The purpose of this study was to compare the efficiency of different detergent formulations from the standpoint of soil removing ability. A standard detergent formulation based on Canadian Government Specification Board (CGSB) specifications was used throughout the study and the effect of varying the concentration of phosphate, NTA and citrate at different levels of water hardness was investigated"--Introduction and summary. Detergents Testing. Détergents Essais. Canada. Inland Waters Directorate, issuing body. PDF 4.56 MB https://publications.gc.ca/collections/collection_2021/eccc/en37/En37-259-1972-eng.pdf