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lab-prep-calculations

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Perform pre-experiment calculations and generate step-by-step preparation protocols for dilutions, solution preparation, dissolution, and % concentrations when planning formulations and lab prep workflows.

scientific-skills/Other/Lab-Prep-Calculations/SKILL.md

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> **Source**: [https://github.com/aipoch/medical-research-skills](https://github.com/aipoch/medical-research-skills)

## When to Use

- Preparing a working solution from a concentrated stock and needing exact pipetting and solvent volumes.
- Planning a solid-to-solution preparation (weighing + dissolution) with molecular weight and purity corrections.
- Designing a serial dilution scheme when a single-step dilution factor is impractical or exceeds pipetting limits.
- Converting and preparing percentage-based solutions (w/v, v/v, w/w), including density-based mass-volume conversions.
- Generating an executable lab protocol (steps, equipment list, and warnings) before running an experiment.

## Key Features

- Dilution calculations using **C1V1 = C2V2**, including solvent volume determination.
- Automatic suggestion/structuring of **serial dilution** steps when dilution factors are large.
- Solid preparation calculations using **m = C × V × MW**, with **purity/content correction**.
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