SCIENTIFIC OBJECTS, CALIBRATED BY A CHEMIST · TRADE & DISTRIBUTOR ACCESS AVAILABLE

Journal

Field Notes

Material studies, product development notes, and science-forward essays from The Calculated Chemist.

Archive 3

Focus Materials, objects, and technical gifting

Method Chemist-led editorial notes

Filter by discipline

Materials Product Design Science Gifting Sustainability Founder Notes

Featured Note · Sep 01, 2026

A Complete Guide to Using Thermocouples in a Chemical Laboratory to Monitor Reactions

Thermocouple types J, K, T, S and N compared — temperature ranges, probe diameters, connectors, resolution, and how to match a sensor to the reaction you are running.

Read Note

Recent Notes

Sep 01, 2026 · Green Chemistry

Benign, Safer Solvents in Research: Promoting Green Chemistry in the Laboratory

Twenty safer solvent choices for the research lab — what each is good for, where it genuinely reduces risk, and which "green" candidates ...

Read Note

Sep 01, 2026 · Lab Practice

A Guide for Science Researchers: Choosing the Best Solvent for Chemical Reactions

How to choose a reaction solvent: solubility, workup and purification, spectroscopic interference, boiling point versus reaction temperat...

Read Note

From the archive to the object

A scientific object worth keeping.

Explore the Flask Vessel or begin a custom project for your lab, university, museum, or technical brand.

Cart

Your cart is currently empty.

Start Shopping

Select options

Best Sellers

Flask Vessel — Insulated Erlenmeyer Flask Water Bottle $38.00 /

Ionic White

Carbon Black

Chlorophyll Green

Quantum Blue

Cryo Cyan

Available in 5 colors

Choose options
Pink Glass Flask Drink Tumbler $28.00 /

Black

White

Turquoise

Available in 3 colors

Choose options
The Calculated Chemist Digital Gift Card From $50.00 /
Choose options
Save 8%

Flask Vessel Lab Kit ~~$50.00~~ $46.00 /

Ionic White

Carbon Black

Chlorophyll Green

Quantum Blue

Cryo Cyan

Available in 5 colors

Choose options