Calculator · Assay
Loss on drying (LOD)
Percentage weight lost on drying, from the bottle and sample weights.
Result
Loss on drying
1.93% w/w
Sample weight
1,008.6mg
Weight lost
19.5mg
% LOD = (W2 − W3) ÷ (W2 − W1) × 100
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Calculators are for learning and quick checks. Use your validated spreadsheet or LIMS for reportable results.