Lab Notes
Short write-ups from the bench. Click a card to read the rest.
Experiments
Titration day: chasing the endpoint
One drop too many and the flask goes bright pink. Here's how we nailed the acid-base endpoint on the third try.
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We standardised our NaOH against KHP, then titrated the unknown acid three times. Runs one and two overshot — that stubborn last drop swings the whole thing past the phenolphthalein endpoint.
Trick that saved us: add the final millilitre half-drops at a time, swirling between each, and rinse the flask walls with distilled water so nothing hides. Our three concordant titres landed within 0.05 mL. Full data is in the vault under the titration tag.
Methods
How we file every result
Every report gets a date, a label, and a tag the moment it comes off the bench. Future us says thank you.
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The rule is simple: nothing leaves the bench unfiled. Scan or export the result, drop it into the vault, and tag it with the experiment name and week. Searching "week 4" or "spectroscopy" then pulls up everything in one go.
Because it's stored right in the browser, there's no account to manage — just this page. Keep it open on the lab laptop and the whole group works from the same record.
Team
Meet Group 5
One bench, a shared taste for things that fizz, glow, and occasionally surprise us.
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We're the AN Sci Laboratory Group 5 — pipetting, plotting, and arguing about significant figures since day one. This site is our shared lab notebook: results in the vault, thoughts in the notes.
Swap this copy for your own members and story — it's just text in the file.