https://www.horiba.com/esp/process-and-environmental/products/detail/action/show/Product/standard-solution-calcium-ion-150ppm-y051l-1066/
Standard solution (Calcium Ion 150ppm) Y051L - HORIBA
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https://waterquality.com.au/product/fluoride-ion-standard-1ppm-6-x-14ml-514-f-1/
Horiba Fluoride Standard 150ppm, 6 x 14ml | Australian Scientific
Dec 19, 2025 - 1ppm Fluoride Ion Standard Solution for LAQUAtwin F-11
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