"hobo+data+logger"

The SmartDrop™ series of nano spectrophotometers provides quick and easy quantification of small samples.

Prove the Heisenberg uncertainty principle by manipulating the diffraction variables of wavelength and slit width

Lightweight, Versatile Unit

A simple shock absorber that protects instruments and gear during field deployment of coring and sampling tools.

Teach your students how biodiesel is made.

Learn how a forensic toxicologist analyzes and identifies unknown substances to help solve crimes.

These Scout balances are the next generation of portable balances for the classroom.

Three hour online safety training for teaching assistants before any lab work.

Measure oxygen concentration and percent saturation

Simple-to-use benchtop meter designed to easily measure conductivity, TDS and salinity.

What happens when a chemical reaction takes place?

Learn about the genetics that determine blood type, the possible inheritance patterns, and how they express themselves.

Reliable size D alkaline batteries that provide long-lasting power for classroom equipment and laboratory instruments.

CAS Number: 1718-34-9
Formula Weight: 309.22
Formula: C₁₃H₈N₃O₅Na
Hazard Info: Irritant
Density (g/mL): >1
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Many Organic Solvents, Hot Methyl Alcohol and Water
Synonyms: Mordant Yellow 3R, C.I. No. 14095
Shelf Life (months): 36
Storage: Green

Bioassays that Glow

CAS Number: 7789-09-5
Formula Weight: 252.06
Formula: (NH₄)₂Cr₂O₇
Hazard Info: Oxidizer, Flammable, Toxic, Irritant
Density (g/mL): 2.15
Freezing Point (°C): 170
Solubility: Water and Alcohol
Synonyms: Ammonium Bichromate, Dichromic Acid Diammonium Salt, Diammonium Dichromate(VI)
Shelf Life (months): 12
Storage: Yellow