The “Sample Name” can be renamed by users. E.g., Concrete, Lead, Glass 1, etc.
Please use commas “,” in decimals.
If “by weight” is clicked, the sum of “Fraction” column will be normalized to 1.
If “by empirical/molecular formula” is clicked, “Fraction” column will be inactive. Please fill your empirical or molecular formulas without decimals only in the "Element / Oxide / Compound" column. E.g., 5CaOH2O or Ca5O5H10O5 or Ca5O10H10.