| Subject area: | Chemistry |
| More specific subject area: | Quantitative analyses |
| Name of your method: | Calcium quantitative analyses |
| Name and reference of original method: | N.A. |
| Resource availability: | Portable X-ray fluorescence, manual pill box https://www.brukersupport.com/ProductDetail/9267, Excel or Rstudio CaCO3, NaNO3, 1000 ppm Calcium titrisol and Calcium interferent suppressors analytical balance, alcohol denaturalized, 98%, cleaning towel, |