The Home Scientist 021 – Calibrating a Disposable Pipette Gravimetrically
Using an accurate balance to determine the actual volume per drop delivered by a disposable plastic (beral) pipette.
The Home Scientist 023 – Salicylate determination with visual colorimetry, Part I
Using iron(III) nitrate to determine salicylate concentration in standardized salicylate solutions and urine. You can actually use any iron(III) salt, such as ferric chloride, ferric ammonium sulfate, and so on. Concentration is not critical.
The Home Scientist 010 – Forensic Fingerprinting IV: Gentian Violet
Using gentian violet to reveal latent fingerprints on sticky tape.
Calvert School – 100 Years of Homeschooling
Learn more about the history of Calvert School. Our homeschooling program has been time-tested for over a century.
The Home Scientist 014 – Cheap Sulfuric Acid, Part II
Analyzing cheap hardware store sulfuric acid for concentration and purity by gravimetric (mass) analysis.