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Ryznar, J.W. (1944) A New Index for Determining the Amount of Calcium Carbonate Scale Formed by Water. Journal of American Water Works Association, 36, 472-483.
https://doi.org/10.1002/j.1551-8833.1944.tb20016.x

has been cited by the following article:

• TITLE: Assessment of Groundwater Stability Using Corrosion and Scaling Tendency Indices on Selected Springs in the Manga Region in Nyamira County, Kenya

  AUTHORS: Calford Odhiambo Otieno, Alice Makonjo Wekesa

  KEYWORDS: Langelier Saturation Index, Ryznar Stability Index, Puckorius Scaling Index

  JOURNAL NAME: Open Journal of Microphysics, Vol.14 No.3, July 4, 2024

  ABSTRACT: We present the result of groundwater stability assessment on three major springs in the Manga region in Nyamira County found in Kenya in 2018. These springs are Kiangoso (SP1), Kerongo (SP2) and Tetema (SP3). The corrosion and scaling tendency indices were obtained using the Langelier saturation index (LSI), Ryznar stability index (RSI), and Puckorius scaling index (PSI). The LSI values obtained for SP1, SP2, and SP3 are −3.93, −4.71, and −4.17, respectively, while using RSI, the values obtained for SP1, SP2, and SP3 are 14.15, 14.53, and 13.74, respectively. Using PSI, the values of SP1, SP2, and SP3 are 5.58, 5.45, and 5.58, respectively. From the interpretation of the indices, the groundwater from the three springs in the Manga region using LSI and RSI showed intolerable corrosion; hence, it is unlikely to scale as obtained from PSI.